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The commitment of PT Trimegah Bangun Persada Tbk or Harita Nickel to support the implementation of ESG (Environmental, Social and Governance) principles in its mining operations and nickel downstreaming on Obi Island, received positive appreciation from the central government.&nbsp;
Unmitigated, the appreciation was conveyed by three ministries at once. Namely the Coordinating Ministry for Maritime Affairs and Investment (Kemenko Marves), the Ministry of Maritime Affairs and Fisheries (KKP) and the Ministry of Environment and Forestry (KLHK). Appreciation was conveyed when a team from the three ministries made a working visit to the Harita Nickel site on Obi Island, South Halmahera, North Maluku, in May 2023.

<img alt="Visit salam kawasi" src="https://api.tbpnickel.com/storage/images/old/images/Visit Salam Kawasi.jpg" title="Visit salam kawasi">
<figcaption>The team from Kemenko Marves, KKP and KLHK visited Salam Kawasi, an integrated agricultural learning center provided by Harita Nickel for the Obi community.</figcaption>

 
Fatma Puspitasari, Coordinator of Forest Utilization and Conservation Control at the Ministry, said that companies that prioritize ESG principles in their business practices and investments will integrate the principles of environmental conservation, social responsibility and good governance.&nbsp;

After reviewing directly to the Harita Nickel operational site, according to him, various Social and Environmental Responsibility (TSJL) activities that have been carried out by Harita Nickel and several of its subsidiaries operating on Obi Island are in line with ESG principles.&nbsp;

He gave an example of activities oriented towards environmental conservation including mangrove ecosystem maintenance programs, and coral reef transplantation. Social activities include empowering SMEs, strengthening the agricultural sector, and supporting the improvement of the quality of education for children on Obi Island.

<img alt="Umkm obi" src="https://api.tbpnickel.com/storage/images/old/images/UMKM Obi.jpg" title="Umkm obi">
<figcaption>Products from MSMEs assisted by Harita Nickel are purchased by the company for its employee canteen needs.</figcaption>

“Regarding environmental management around the site, Harita Nickel's commitment to running an environmentally sustainable business is emphasized by signing a Joint Agreement and Cooperation Agreement with the Coordinating Ministry for Marves, KLHK and KKP in encouraging the achievement of the national mangrove rehabilitation target,” he said.

Before signing the mangrove rehabilitation cooperation with the government in 2022, he said, the company had carried out similar activities by cooperating with Khairun Ternate University and at the same time empowering local communities.

From the monitoring conducted, it is known that the mangrove land that has been rehabilitated by Harita Nickel since 2021 until mid-2023 is 23.73 ha. The locations are spread across four points in South Halmahera Regency, including Soligi Village in Obi District, Awango Village and Belang-Belang in Bacan District and Guruapin Village in Kayoa District.

Restoration Coordinator at the Directorate of Coastal and Small Island Utilization, Directorate of Marine Spatial Management, KKP, Hery Gunawan Daulay emphasized the importance of mangroves for marine ecology. It is said, mangroves function as a buffer zone or buffer area to protect coastal areas from damage.

He gave appreciation to Harita Nickel and encouraged the ongoing program to maintain the mangrove land area from year to year.&nbsp;

In addition to appreciating the company's commitment to environmental sustainability, teams from the three ministries also gave appreciation for the company's efforts to carry out community empowerment activities around its operations. One of them is the SME mentoring program carried out by the company in Kawasi and Soligi Villages.

"One of the interesting things is SME development through training in tofu and tempeh making. Due to the remote distance, good tempeh is difficult to obtain. Local residents are trained to make tempeh by utilizing soybeans grown in the village fields and the products are purchased by the company for employee consumption," explained Fatma, calling this program a real benefit for local residents.

<img alt="Kunjungan sekolah obi" src="https://api.tbpnickel.com/storage/images/old/images/Kunjungan Sekolah Obi.jpg" title="Kunjungan sekolah obi">
<figcaption>The team from Kemenko Marves, KKP and KLHK discussed with teachers when visiting schools in Soligi Village, one of the nearby villages Harita Nickel's operations on Obi Island.</figcaption>

The team also visited schools in the villages surrounding Harita Nickel's operations.&nbsp; It can be seen that educational facilities and infrastructure for children on Obi Island, which is one of the 3T areas, are still limited. The team also gave appreciation for the support that has been provided by the company. Including school infrastructure improvement assistance and incentives for teachers.

Various activities that have been carried out by Harita Nickel in an effort to carry out its environmental and social responsibilities, are proof of the company's commitment to sustainable business governance according to ESG principles.

“Of course this is also an added value for Harita Nickel as a public company,” said Fatma from Kemenko Marves, agreed by other personnel.

Meanwhile, HSE Director of Harita Nickel, Tonny H Gultom said the company is committed to implementing sustainable governance in all aspects of its operations. According to him, the ESG principle is an important consideration in the company's long-term plan in carrying out the downstream mandate of the Indonesian government.

The three ESG principles covering environment, social and governance are integrated into the company's business strategy and operational activities. In addition, the company also plays an active role in various Community Development and Empowerment (PPM) programs around its operational areas.&nbsp; The focus of the PPM program includes development in the fields of economy, health, education, socio-culture and infrastructure.

Kemenko Marves Named Harita Nickel an Eco and Social Impact Mining Company

Strengthening ESG Integration Across the Value Chain

Harita Nickel, through its two subsidiaries, PT Trimegah Bangun Persada Tbk and PT Gane Permai Sentosa, successfully achieved the Company Performance Rating Assessment Program (Proper) award for the period 2023-2024 with a Blue predicate from the Ministry of Environment of the Republic of Indonesia. This award recognized the company's commitment in implementing sustainable environmental management.
The award was presented at the Proper 2024 Environmental Award held at Sasono Langen Budoyo, Taman Mini Indonesia Indah, Jakarta, on Monday (24/2/2025).&nbsp;

Harita Nickel's Health and Safety Environment Director, Tonny Gultom, said Harita Nickel as an integrated nickel mining and processing technology company, always prioritizes sustainable principles in all aspects of its operations on Obi Island, South Halmahera, North Maluku. This commitment aims to provide added value for the company and sustainability for the surrounding environment.<img alt="Kubu hijau" src="https://api.tbpnickel.com/storage/images/old/images/Kubu Hijau.jpg"> <figcaption>Dobsonia viridis (Kubu Hijau) observed during Flora & Fauna monitoring in Harita Nickel's operational area.</figcaption>
Tonny mentioned a number of Harita Nickel's achievements in environmental management, including its successful post-mining reclamation program covering ± 231.53 hectares by 2024. Some of the former mining land, he added, is currently covered with plants and inhabited by various types of endemic animals from North Maluku.&nbsp;

Based on the results of biodiversity monitoring conducted by an independent third party, it was found that the flora and fauna ecosystem in the operational area of Harita Nickel remains well-preserved. From the 2024 monitoring results, a total of 10 plant species were recorded as being used in the reclamation area, and 8 plant species were identified in the Obi Industrial Area, consisting of secondary forests and shrubs, including Red Jabon, Kayu Putih, Bintangur, and Mahogany.

Meanwhile, for wildlife species classified within the taxa of mammals, bird populations, herpetofauna, and insects show a stable trend. This includes several endemic species unique to the Maluku Islands, such as the Green Dobson (Dobsonia viridis) and the Halmahera Cicadabird (Lalage aurea).

Under the insect category, the study recorded 28 dragonfly species from 8 families and 46 butterfly species from 4 families. The presence of dragonflies and butterflies indicates that the quality of the environment is maintained.

"We have also succeeded in revitalizing the nursery this year, by increasing the capacity of our land area for nurseries equipped with modern facilities,” he added. The nursery facility, named Loji Central Nursery, has an area of ± 2.8 hectares and a capacity of ± 400,000 seedlings. This increase in nursery capacity is expected to meet the growing demand for seedlings to support the post-mining reclamation program.
<img alt="Kapasan halmahera" src="https://api.tbpnickel.com/storage/images/old/images/Kapasan Halmahera.jpg"> 

<figcaption>Lalage aurea (Kapasan Halmahera), one of the bird species observed during Flora and Fauna monitoring in Harita Nickel's operational area on Obi Island.</figcaption>
 Meanwhile, Head of Mining Engineering of PT Gane Permai Sentosa, Ngainur Rofiek, said that this year's Blue Proper award from the Ministry of Environment is the second time for the company after previously receiving the same predicate for the 2021-2022 period. According to him, the success in maintaining this achievement shows the company's consistency in implementing Good Mining Practices, including technical aspects, work safety and environmental management.&nbsp;

“Of course we will not stop here. This achievement is a motivation for us to further improve the company's performance. In the future, it is not limited to fulfilling regulations, but also making sustainable innovations,” he concluded.&nbsp;

Proper 2024 was participated by 4,495 companies from various sectors. As a result of the performance evaluation, the level of company compliance during the 2023-2024 period amounted to 2,961 compliant companies, 1,329 non-compliant companies, and 205 companies not yet operating. In the non-compliant group, there are 16 companies with black status –the lowest level for companies that are considered to have committed environmental damage. Whereas in Proper 2023 there were no black status companies, then this became a special concern for the government to make Proper mandatory starting in 2025.&nbsp;

Responsible environmental management practices and followed by sustainable innovations in every aspect of its operations, are a tangible manifestation of Harita Nickel's commitment as a downstream mandate holder in order to provide added value for the environment, society and the nation.

Harita Nickel Achieved Blue Proper Award from the Ministry of Environment

Harita Nickel has reaffirmed its commitment to sustainability and social responsibility by implementing best practices throughout its operations on Obi Island. As part of this commitment, the company's Health, Safety & Environment Department partnered with the Disaster Risk Reduction Center of Universitas Indonesia (DRRC UI) to organize the&nbsp;Kawasi Siaga Bencana&nbsp;(Kawasi Disaster Preparedness) program.
The program took place over four days, from December 10–13, 2024, in the newly developed settlement of Kawasi Village. Participants included residents, school students, village officials, and other stakeholders. The event provided training on disaster and earthquake preparedness, including basic firefighting techniques and First Aid (P3K). The program concluded with a tsunami emergency response and evacuation simulation.

Supriyanto Suwarno, Occupational Health and Safety Manager at Harita Nickel, explained that the disaster preparedness training was conducted as a precautionary measure against potential disasters in the company’s operational area. According to a risk assessment conducted by DRRC UI, Kawasi Village is vulnerable to various natural hazards, including earthquakes, strong winds, high waves, floods, and tsunamis.

“This&nbsp;Kawasi Siaga Bencana&nbsp;activity is part of Harita Nickel's commitment to environmental sustainability and social responsibility. It is an extension of our efforts in Occupational Health, Safety, and Environmental Protection (K3LH), which also prioritize community safety around our operational areas,” Suwarno noted.

The program was warmly welcomed by Kawasi residents. Reinhar Siar, Chairperson of Kawasi Village’s Consultative Body (BPD), expressed gratitude for Harita Nickel’s initiative, stating that it greatly supported government efforts to raise awareness about disaster preparedness and management.

“Residents are very pleased to have this opportunity because it makes us more vigilant about potential disasters and teaches us what to do. This training is not just for natural disasters but also for other emergencies that could occur at any time,” said Siar, thanking Harita Nickel and Universitas Indonesia for organizing the event.

The&nbsp;Kawasi Siaga Bencana&nbsp;program involved Harita Nickel’s Emergency Response Team (ERT), which supported the hands-on training sessions and tsunami evacuation simulation. Additionally, medical teams from both the company and local government, Harita Nickel’s Community Relations team, and personnel from the TNI/Polri (Indonesian Armed Forces and Police) participated in the event.

Devi Partina Wardani, coordinator of DRRC UI, emphasized the importance of involving communities and stakeholders in disaster response efforts to minimize casualties during emergencies. “Through theoretical and practical training, as well as simulations, we aim to provide participants with a clear understanding of the necessary steps to take during disasters,” she explained.

The four-day program demonstrated excellent coordination among the participating parties, according to the DRRC UI team. The participants’ enthusiasm was equally notable, as they actively engaged in every session from start to finish.

“We highly appreciate Harita Nickel’s initiative in organizing this event. Hopefully, it serves as a constant reminder for the community, ensuring they know what to do when disaster strikes,” Wardani concluded.

Harita Nickel Collaborates with DRRC UI to Launch "Kawasi Disaster Preparedness" Program

Harita Nickel’s mining and nickel ore processing operations are deeply committed to environmental safety, particularly in ensuring that the water discharged from mining areas poses no threat to the surrounding ecosystems. Given that the company’s operational areas border vital aquatic zones, which are home to diverse marine life and crucial to the livelihoods of local fishermen, this commitment takes on added urgency.
To protect the quality of water leaving the mine, the company has created 52 settling ponds across two mining licenses. Thirty-five of these ponds are managed by PT Trimegah Bangun Persada, and the other seventeen by PT Gane Permai Sentosa. The largest pond, Tuguraci 2, has a capacity of 924,000 cubic meters and covers an area of 43 hectares.

Muhamad Riftadi Hidayat, a Senior Mine Hydrology Engineer at PT Trimegah Bangun Persada Tbk, highlights the importance of settling ponds in capturing sediment from soil, rock, and other materials eroded by mining. If not managed, these particles could pollute the environment. “These ponds are essential for keeping the water clean and safe before it's released back into the waterways,” he says.

The settling ponds are carefully designed to allow water to effectively filter out sediment before it is returned to its natural flow. This process ensures that the discharged water is clear and meets strict government quality standards.

At Harita Nickel, managing the settling ponds involves monitoring water quality parameters like pH and Total Suspended Solids (TSS). Dedicated teams from various business units perform daily checks to ensure they meet strict environmental standards.
<img alt="C1 settling pond bunaken 2 50 11zon" src="https://api.tbpnickel.com/storage/images/old/images/C1_Settling Pond Bunaken 2_50_11zon.jpg"> 
Indra Maizar, Environmental Superintendent at PT Halmahera Persada Lygend, explains the importance of regular maintenance. The company regularly dredges the ponds when sediment builds up to 70 percent of their capacity. “When sediment reaches 80 percent, we use heavy machinery to deepen the pond,” Indra says.

Dredging prevents sediment buildup from reducing capacity and keeps the water clear before it flows into places like the Todoku River. “Pond Tuguraci 2 can handle water flow rates of 10,000 to 50,000 cubic meters per hour, even during heavy rain,” he adds. The pond also has a retention time of 10 to 15 hours, which helps ensure that upstream water is clear before being released.

“These ponds clearly show the company’s commitment to protecting the environment around the mine,” Indra says. “They also reflect one of Harita Nickel’s core values: teamwork. All business units will keep working toward sustainability and environmental conservation in our operational areas.”

Collaborating for a Greener Future: Harita Nickel's Water Management Initiative

Operating along the coastal stretch of Obi Island in North Maluku, Harita Nickel has been recognized with a Green Rating by CNBC Indonesia, a testament to the company's long-term commitment to preserving both marine and terrestrial ecosystems surrounding its nickel mining operations.
Since 2010, Harita Nickel has routinely monitored water quality near Kawasi Village, which borders the company’s industrial zone. Independent studies conducted by the Bogor Agricultural Institute and Khairun University in Ternate confirm that seawater in the area remains healthy and capable of sustaining marine life. “Obi waters are fertile due to high chlorophyll content. Marine productivity remains intact,” said Prof. Dr. M. Janib Achmad of Khairun University. Similarly, Prof. Dr. Inneke Rumengan of Sam Ratulangi University observed stable marine biodiversity from 2015 through 2021.

To ensure oceanic health, Harita Nickel has invested in an array of monitoring technologies including survey vessels, CTD sensors, multiparameter gauges, and remotely operated underwater vehicles (ROVs), essential tools for accessing aquatic zones beyond the reach of divers. The company has also developed artificial coral reefs made from nickel slag, aimed at enhancing fish populations and bolstering the livelihoods of local fishermen.

<img alt="Monitoring laut obi" src="https://api.tbpnickel.com/storage/images/old/images/Monitoring Laut Obi.jpg"> 
<figcaption>Harita Nickel employees conduct marine ecosystem monitoring in the sea around the company's operational area</figcaption>
 

“To date, we have deployed 1,696 artificial reef units around our operational waters. Marine environmental protection has always been our top priority,” said Windy Prayogo, Environmental Marine Compliance Manager at Harita Nickel. 

Research from the two universities also identified key marine species such as thresher sharks, blacktip reef sharks, and the endangered Napoleon wrasse. Local fisherman Saidi Jouronga dismissed allegations of marine pollution in the area. “It’s not true that Kawasi waters are ‘dirty’ or lifeless. I was born here and fish here daily. There are still plenty of fish, and they’re biting,” he said. <div class="video-container"><iframe style="width: 500px; height: 281px;" src="//www.youtube.com/embed/3plWx-A98RM" frameborder="0" allowfullscreen=""></iframe></div> 
On land, Harita Nickel monitors biodiversity across a 5,000-hectare mining area. In 2023 alone, the company documented more than 290 plant and animal species, including 29 endemic to the region. Notably, 30% of its industrial area has been designated as green space and wildlife corridors.

In recognition of these efforts, Harita Nickel received the Green Rating at CNBC Indonesia’s 2024 Green Economic Forum, an award honoring companies that integrate sustainability into operations, from energy efficiency and ecological conservation to environmentally friendly innovation. Check out Harita Nickel's work in CNBC Indonesia Green Ratings through<a href="https://www.instagram.com/harita.nickel/reel/C75Z-3BhM3m/">&nbsp;this social media content.</a>

Harita Nickel Earns Green Ratings from CNBC Indonesia for Commitment to Land and Marine Conservation

South Halmahera - North Maluku, 13 May 2024&nbsp;– PT Trimegah Bangun Persada Tbk (NCKL) or Harita Nickel, a sustainable integrated nickel mining and processing company operating on Obi Island, South Halmahera, North Maluku, held “Obi Fishing Tournament 2024” on Saturday-Sunday, May 11-12, 2024, in the waters of Soligi Village.
This fishing tournament has become a regular agenda of the company collaborating with communities in its operational circles to promote biodiversity in Obi waters. More lively than ever, this third year event was attended by 202 participants who were residents of Soligi Village and Kawasi Village.

Head of External Relations Harita Nickel, Latif Supriadi, said the company invites people to preserve Obi waters &nbsp;through this fishing tournament. Evidence of biodiversity in these waters is still maintained, he added, reflected in the abundant fish catches.

“The total catch in this tournament reached 105 kg. This number does not include fish under 6 kg that are not included in the assessment. The types of fish are also diverse. Again, this indicates the fish in the waters of Obi is still abundant, " he said.

Furthermore, Latif said that the implementation of this activity was thanks to collaboration of company with community and the government. In addition to raising public awareness to preserve nature, according to him, this activity also carries a mission to promote the waters of Soligi village as a marine tourism destination.

Tit for tat, the company's initiative received a warm welcome from the local government. Regent of South Halmahera, Hasan Ali Bassam Kasuba, who attended directly to open the tournament, said the company's collaboration with the community and local government is very positive to raise the potential of Obi Waters both as a national fish barn and as a tourism asset.

“Activities that have become a routine agenda of the company with this community, we will push into the regional and even national tourism promotion agenda. With wider echoes, the potential of the region will be increasingly lifted, and many invite tourists from outside the region,” he said.

Reportedly, the fishing tournament opened on Saturday (11/5/2024) at 18.00 WIT and closed on Sunday (12/5/2024) at 10.00 WIT. The opening was attended by the Regent of Halsel who released the participants from the beach as a sign of the start of the tournament. Together with the Regent, several heads of departments, including the Department of Tourism, Department of Marine Affairs and Fisheries, and Department of Transportation, were present.

The participants will compete for prizes totaling Rp29 million.

As for the assessment, it uses a point system based on the type and weight of fish. For example, snapper fish weighing 6-9kg get 3.5 points, while grouper with the same weight range get 3.0 points. For fish weighing under 6 kg did not enter the rating.

Agustinus Nugroho with Grouper catches weighing 14.5 kg become the first winner and ruby snapper (bagong snapper) weighing 9.5 kg. 2nd place was won by Umar with Grouper catches weighing 13 kg and snapper weighing 8 kg. In third place Imran, with ruby snapper catch 8 kg and 8 kg snapper.

“I got the first fish an hour or two into the sea, and the second the next day. Both are not far from here, just a few hundred meters from the beach around Soligi, " said Agus.

The holding of the Obi Fishing Tournament 2024 in Soligi Village is a pride for local residents. The head of Soligi Village, Madiasi La Siriali, said he was happy that his village was appointed as the host. According to him, this activity is an opportunity for residents to stay in touch with companies and local governments and raise the potential of their villages.

Related to the development of local tourism potential, head of Halsel Tourism Office, Ali Hasan, said the waters of Soligi Village are one of the best underwater tourist spots in the area. This fishing tournament, he added, is the opening door for the sustainable development of marine tourism. 
*** 
This article was published in Media Indonesia on May 13th 2024 with title :&nbsp;<a href="https://mediaindonesia.com/ekonomi/670659/obi-fishing-tournament-2024-pemkab-halsel-ajak-harita-nickel-jadikan-soligi-destinasi-wisata-bahari" target="_blank">Obi Fishing Tournament 2024, Pemkab Halsel Ajak Harita Nickel Jadikan Soligi Destinasi Wisata Bahari</a>

Halsel Regent Supports Harita Nickel's Initiative to Develop Soligi as a Marine Tourism Destination

TRIBUNNEWS.COM&nbsp;- Obi island waters are suspected to have been polluted with heavy metal waste. More specifically in the western waters of Obi island, where there are nickel mining activities. However, studies have revealed that fisheries productivity in waters which is administratively located in South Halmahera Regency, North Maluku, is still well maintained.
Several aquatic ecology survey teams that conducted surveys in the surrounding waters of Obi island confirmed their findings about productivity of the waters around Obi island.

The Napoleon team represented by Prof. Dr. Inneke Rumengan, said that fisheries productivity in Obi island waters, in terms of the diversity of reef fish, plankton and macrobenthos, indicates the condition of productive waters, typical of tropical waters in general. In 2015 to 2021, it showed a stable condition of the marine biota community, with no downward trend.&nbsp;

"Our team observed directly by diving, observing the fish species present there. From year to year, the trend is relatively the same. Referring to coral reef fish, there tends to be a slight increase, both in number and type in 2020-2021," said Prof. Inneke.
<div class="video-container"><iframe style="width: 500px; height: 281px;" src="//www.youtube.com/embed/V_hMtfAJMKM" frameborder="0" allowfullscreen=""></iframe></div> 
Based on the observations made by Inneke and her team, they found various variants of fish, both surface fish (pelagic) and bottom fish (demersal). She said that pelagic and demersal fishes from small to large sizes are still abundant in Obi Island waters.

She cited large pelagic fish species in Obi waters, such as cakalang (Katsuwonus pelamis), tongkol batik (Euthynnus affinis) and even larger tuna (Thunnus spp). While demersal fish for consumption, such as grouper (Serranidae), rat grouper (Cromileptes altivelis), and snapper (Lutjanus).

Inneke further explained that fisheries productivity is mainly supported by plankton. Plankton's position in the marine organism food chain is very strategic. As producers of organic materials needed by other organisms, plankton sustain the life of marine biology above them, including fish.

"Our data regarding plankton that we observe from year to year, in terms of abundance and biological index, shows that the water condition is quite productive. If there are many plankton, there will also be many prey organisms. And the plankton becomes fish food," explained Prof. Inneke, who also teaches Planktonology courses at the Faculty of Fisheries and Marine Sciences at Sam Ratulangi University (Unsrat).

In that 6-year period, her team made periodic observations at 29 points. One of them is in the waters of Kawasi, which is located in the west of Obi Island. The results of his observations if averaged from year to year, fisheries productivity in Obi waters is still relatively the same.

Regarding the number of fishermen's fish catches, it usually varies from time to time, depending on fishing gear used and wind season, so it is not appropriate to be used as a benchmark to measure the productivity of a waters.

"If you look at the catch data, it is not necessarily like that, because what is there is not necessarily caught all. It depends on the season and the fishing gear used. So our research (related to fisheries potential in Obi, ed) is more accurate because we observe directly," he explained.

In addition to conducting direct research, her team also conducted survey research by interviewing fishermen in a number of villages on Obi Island. The information explored includes the types of fish caught, the equipment used, and what the fish is used for.

"Fishermen in Kawasi catch fish for their own consumption or hobby. Even if they have excess, they sell it to local traders. The number of fishermen has decreased because most of them have worked in the existing companies, "said Prof. Inneke, explaining the results of survey research conducted in Kawasi Village which is in the village around the Harita Nickel mine.

Another survey team led by Dr. M Janib Achmad, a marine expert from Khairun University (Unkhair) Ternate, also revealed that the Obi Island waters as a whole are fertile waters because they have abundant chlorophyll. Thanks to the maintained productivity, the local community still prefers to be fishermen.

" Obi's waters are fertile because the chlorophyll is abundant, so fishermen continue to be fishermen," explained Janib Achmad, who also serves as Dean of the Faculty of Fisheries and Marine Sciences at Unkhair.

The findings were illustrated in the study "Fish Basket Survey in Kawasi Village and Soligi Village, Obi Island" conducted by his team in 2022.&nbsp; The study results on surveys in two villages around the Harita Nickel mine explained that the distribution with the highest concentration of chlorophyll a was in the northern part of Obi Island, where the surface temperature was relatively warm and made Obi Island fishermen increase as well.

<h3>Arlindo Phenomenon in Obi Waters</h3>
Fisheries productivity in Obi waters is affected by oceanographic factors. These waters lie at the meeting point between the Pacific and Indian oceans. The meeting of the two large oceans is known as the Indonesian Throughflow (Arlindo). This statement was made by Prof. Denny Nugroho Sugianto, a marine expert at the Department of Oceanography, Diponegoro University Semarang.

Prof. Denny further explained the path of Arlindo in Obi waters. According to him, the Arlindo passes through the northern part of Obi through northern Bisa Island, western Obi, and southern part through southern Gamumu Island. This is what makes the productivity of Obi Island waters very high.

According to Prof. Denny, the productivity of Obi Island waters is reflected in the abundance of pelagic fish in the area. "The presence of these fish has a positive impact on fisheries productivity in Indonesia," he said.

"The primary productivity of a waters is closely related to oceanographic conditions that bring nutrients for phytoplankton growth near the sea surface, thus enriching the biomass in the area," said Prof. Denny, who has conducted research in Obi waters.

Furthermore, Arlindo is the movement of water masses from the Pacific Ocean to the Indian Ocean which has a positive impact on the waters it passes through. The meeting of the two oceans' currents becomes a medium for the migration of large pelagic fish, such as tuna and skipjack. These high-value pelagic fish will be found around the waters through which Arlindo passes.

However, utilizing adequate equipment is needed to access the abundance of fisheries productivity in the Arlindo route in Obi waters. Because Arlindo is offshore, it requires a supporting fleet and fishing equipment.

" If it is around the coast, it is utilized by small fishermen. But if we want to have a big potential, it's offshore. Eastern Indonesia is indeed a barn of fish, because of oceanographic processes," he said, advised that Obi's potential marine resources can continue to be preserved.

<h3>Local Fishermen Keep Fishing in Kawasi Waters</h3>
The marine experts' research results are confirmed by local fishermen in Kawasi Village. Saidi Jouronga (58 years old) said that Kawasi waters are still abundant in fish. He admitted that he is still fishing in waters surrounding the operations of Harita Nickel, a nickel mining and downstream company that has been operating since 2010.

"I only fish near here. From Kawasi to Akelamo. For bigger fish like tuna and skipjack, we have to go to midwater. But if I go too far to the sea, it's too deep and has big waves. I also have to consider my safety," he said.

Using traditional equipment such as fishing rods, he catches between 20-30 kilograms of fish every day. The types of fish also vary. From Giant Trevally or locals call it Bobara, Grouper, Red Snapper to squid. He sells his fish to local traders at prices ranging from IDR 40,000 to IDR 50,000 per kilogram.

"So if anyone says there are no fish in the Kawasi waters, or even if there are fish, they don't want to eat because the water is dirty, that's a big lie. I was born in Kawasi and still catch fish here to this day, so I understand exactly," said Saidi.

Hut Ibrahim (60), a resident of Kawasi Village who also a fisherman, admitted that he is still fishing in Kawasi waters. Like Saidi, Ibrahim fishes using traditional gear. He used the money from fishing to pay for his daily needs and his children's school fees.&nbsp;

This Article was published in Tribunnews.com on April 2nd 2023 with the title :&nbsp;<a href="https://www.tribunnews.com/nasional/2023/04/02/3-pakar-kelautan-nelayan-obi-menjawab-produktivitas-perairan-pulau-obi-masih-terjaga" target="_blank">3 Pakar Kelautan & Nelayan Obi Menjawab: Produktivitas Perairan Pulau Obi Masih Terjaga</a>

3 Marine Experts and Obi Fishermen Answer: Obi Island's Waters Productivity Remains Sustainable

Kawasi Spring plays a vital role in meeting the clean water needs of local residents. It is located in one of the small valleys, precisely on the lower slope of the smelter building owned by Harita Nickel at the Obi Island Site. Despite being in the middle of industrial operations, Kawasi spring is still flowing and maintaining its quality.&nbsp;
To ensure the spring is safe as a source of raw water, Harita Nickel conducts periodic monitoring of a number of indicators such as pH levels, water temperature, turbidity to oxygen levels in water. As a result, all of these indicators meet quality standards.&nbsp;

Based on the latest results of testing water samples conducted by an independent laboratory, it was found that the pH is within safe limits (7.87), very low levels of Chromium Hexavalent (Cr-VI) (&lt;0.005 mg/l), and adequate oxygen content.

<img alt="Photo shoot uji kualitas mata air kawasi 223" src="https://api.tbpnickel.com/storage/images/old/images/Photo Shoot_Uji Kualitas Mata Air Kawasi__223.jpg" title="Photo shoot uji kualitas mata air kawasi 223">
<figcaption>Harita Nickel conducts periodic monitoring to ensure that the quality of Kawasi spring water is safe and uncontaminated.</figcaption>
Prof. Dr. M. Janib Achmad, Dean of the Faculty of Fisheries and Marine Science at Khairun University, stated that test results indicate the water quality from the Kawasi spring is in reasonably good condition. "For various domestic uses, water should have a pH above 7&mdash;higher levels are even more favorable. Elevated acidity levels can promote algae growth," he explained.Meanwhile, according to him, if the Hexavalent Chromium (Cr-VI) is still low, it is very safe. Usually this Cr level is related to the soil layer because almost every soil contains chrome, if it exceeds the limit it is dangerous. “This spring water is still suitable for drinking, the community uses it in Kawasi, but indeed the community often complains that there was sediment that covered the spring water,” he said.

One of the residents of Kawasi Village, Yolius Langkodi, confirmed that the Kawasi spring continues to be used by locals as a primary source of raw water.
 
"For our daily needs, we collect water from the Kawasi spring," he said.
 
Yolius explained that the spring has existed for a long time. In the past, people referred to it as air babunyi because its sound could be heard all the way to the settlement. Since the company's presence, he added, water from the Kawasi spring has been channeled through pipes directly to residents' homes.
 
"Access to clean water is now much more convenient. All residents draw their water from the Kawasi spring. This has been made possible thanks to the company’s efforts," he stated, while also urging Harita Nickel to continue protecting the Kawasi spring so that it remains a sustainable resource for the community.
Meanwhile, Harita Nickel's Health & Safety Environment Director, Tonny Gultom, said the company is committed to carrying out responsible integrated mining operations by addressing environmental and social aspects. This includes ensuring sustainability of the Kawasi spring which is currently used by residents for raw water sources and also other springs that are used for the company's operations, namely Lake Karo and Lake Loji.&nbsp;

“To maintain several vital water sources, the company carries out reclamation to rehabilitate post-mining land, plant trees along the watershed, conduct regular water quality monitoring and manage mine runoff water so that the released water does not pollute the environment,” he explained.&nbsp;
&nbsp;Watch Kawasi resident Yolius Langkodi share how the village spring brings clean, clear water straight to their homes <a href="https://youtube.com/shorts/tYLiIL37-6g?si=xEfH4iImWVezTeMJ">in this video.</a>

Kawasi Spring Preserved, Residents: Clean Water is at Hand 

Eastern Indonesian waters, especially in Obi Island, are among the most productive waters in the world. This is because these waters are the meeting point between two large oceans, the Pacific Ocean and the Indian Ocean.
The meeting of the two large oceans is called the Indonesian Throughflow (ARLINDO). In Obi Island waters, ARLINDO passes through the northern part of Obi via the north of Bisa Island, the western part of Obi, and the southern part through the south of Gamumu Island. This allows the productivity of Obi Island waters to be very high.

The productivity of Obi Island's waters is indicated by the number of pelagic fish&mdash;a group of fish that reside in the surface layer of water&mdash;in the area. The presence of these fish, according to a lecturer at Diponegoro University's Department of Oceanography, Prof. Dr. Denny Nugroho Sugianto, S.T., M.Si. has a positive impact on the sustainability of fisheries productivity in Indonesia.

"Primary fisheries productivity is closely related to oceanographic conditions that bring nutrients for phytoplankton growth near the sea surface, thus enriching the biomass in the area," he said.

"ARLINDO from the Pacific Ocean to the Indian Ocean will bring many benefits to Indonesia because of the high productivity of fisheries or waters. It will bring large pelagic fish species, and the pattern will be followed by tuna, skipjack, and other large fish. This has a positive impact on the sustainability or productivity of fisheries in Indonesia," he explained.

To maintain productivity, ensure fisheries sustainability, and prevent disruption of the marine ecosystem in Obi Island, Harita has made a number of environmental management efforts. These efforts include regulating activities at the port, such as rules for ships not to dispose of waste in the Obi water area, releasing ballast water from ships in waters far from the port, and placing anchors in designated areas. This program aims to ensure that environmental management is carried out in accordance with regulations and runs at its best.

Several marine monitoring programs were also conducted, including monitoring of seawater quality (physical and chemical parameters), marine sediment quality, and marine biota (plankton, benthos, coral reefs, and reef fish). The implementation of this program is supported by ocean monitoring vehicles and equipment with well-tested technology.

The marine monitoring vehicles and equipment consist of in-house survey vessels, seawater sampling equipment integrated with seawater column profile measuring instruments (Conductivity Temperature Depth - CTD meters) equipped with sensors measuring physical parameters of seawater, grab samplers, and Remotely Operated Vehicles - ROVs (underwater 'robots' to support marine management and monitoring programs, explore, and inspect underwater conditions directly).

Influenced by Oceanographic Factors

The productivity of Obi Island waters and its surroundings is strongly influenced by oceanographic factors, namely ARLINDO, sea surface temperature, and chlorophyll-a concentration. This is in line with the statement of the Director of Health, Safety, and Environmental Trimegah Bangun Persada, Tonny H. Gultom. In his opinion, the primary productivity of water is closely related to oceanographic conditions.

Trimegah Bangun Persada is a National Strategic Project mandate holder that operates nickel mining and downstream projects in Obi Island, South Halmahera.

In line with Prof. Dr. Denny Nugroho Sugianto, S.T., M.Si, Tonny also said that the highest distribution and concentration of Chlorophyll-a in Obi Island are in the northern part, in addition to the distribution of warmer water surface temperature conditions in this part. This circumstance suggests that the waters in Obi Island's northern parts are more productive than the island's other water sections. For your information, Harita Nickel's operational area is in the western part of Obi Island.

Furthermore, the distribution of fishing businesses is also more concentrated in the northern part of Obi Island (north of Bisa Island) and the southern part of Obi Island (south of Gamumu Island). This condition corresponds with the presence of ARLINDO, warm surface water temperatures, and high water concentrations in these waters.

Despite many factors affecting the productivity of Obi Island's waters, Harita is committed to keeping Obi Island's waters undisturbed through various programs delivered by the company and third parties. This program is also coupled with other initiatives to mitigate impacts that may result from nickel mining and downstream operations.

Harita also implemented an artificial reef placement program in stages, starting with a target of 1,000 pieces using hollow concrete cubes. The placement of artificial reefs aims to enrich the local ecosystem, as good coral reef conditions will be able to maintain the lives of reef fish and other marine life, ultimately benefiting the local community.

Harita also performed mangrove rehabilitation in several villages in South Halmahera, including Soligi Village in Obi Island, Guruapin Village in Kayoa District, and Belang-belang Village and Awanggo Village in Bacan Subdistrict. Mangroves have been gradually planted in an area of 20 hectares with a total of 47 thousand seedlings.

The establishment of mangrove forest areas will help maintain the availability of fish resources in the sea, clean water, and fresh air. Mangroves are also well-recognized for their ability to prevent erosion and abrasion.
This article was published on Liputan6.com on January 30, 2023 with the title: <a href="https://www.liputan6.com/news/read/5226644/apakah-biota-laut-di-perairan-pulau-obi-aman" target="_blank">Apakah Biota Laut di Perairan Pulau Obi Aman?</a>