KUALITAS PERAIRAN DI TELUK DORERI KABUPATEN MANOKWARI

Pasar Sanggeng, pasar Wosi, pelabuhan, PLTD (Pembangkit Listrik Tenaga Disel), perhotelan dan pemukiman penduduk yang terletak di pesisir Teluk Doreri Kota Manokwari, menjadi salah satu pusat aktivitas yang melayani kebutuhan masyarakat. Akibat adanya aktivitas yang tinggi tersebut menyebabkan pembungan sampah-sampah organik dan anorganik tidak terawasi atau terkontrol dengan baik. Kondisi ini berlangsung secara terus menerus setiap hari sehingga dapat menyebabkan terjadi degradasi kualitas perairan. Tujuan Penelitian yaitu untuk mengetahui status kualitas perairan di Teluk Doreri Kabupaten Manokwari. Penelitian dilakukan dari bulan Agustus tahun 2016 bertempat di Laboratorium Kelautan, Ilmu Kelautan Unipa dan Laboratorium Prolink IPB Bogor. Lokasi pengambilan sampel air di sekitar perairan Sawaibu, Wosi, Andai, Sowi dan Perairan Maruni. Data parameter yang diambil melalui pengukuran langsung dan tidak langsung. Pengukuran secara langsung meliputi parameter salinitas, pH, suhu dan oksigen terlarut. Sedangkan pengukuran tidak langsung dengan cara mengambil sampel air. Pengambilan sampel air digunakan untuk penentuan parameter kekeruhan, nitrat, fosfat dan logam berat. Sampel air tersebut langsung dimasukan dalam botol polyetelin dan dikirim ke Prolink IPB Bogor untuk dianalisis. Pengukuran mengacu pada Standard Methods for the Examination of Water and Wastewater (APHA, 1998). Hasil penelitian dari lima lokasi di perairan Teluk Doreri berkisar antara 0,17 – 6,16 NTU untuk kekeruhan, 4,64 – 5,04 untuk pH, 5,1 -6 mg/L untuk oksigen terlarut, 30 – 33 ‰ untuk salinitas, 29, 8 – 30,6 oC untuk suhu air, 0,1 -0,8 mg/L untuk nitrat dan fosfat berkisar 0,08 – 0,16 mg/L. Hasil logam berat cadmium (Cd) menunjukan potensi toksik yang tinggi bagi biota perairan di Teluk Doreri. Parameter logam berat cadmium, nitrat dan fosfat sangat mengkuatirkan serta dapat menyebabkan gangguan terhadap lingkungan khususnya bagi biota perairan. Parameter – parameter tersebut telah melampaui baku mutu yang ditetapkan kementerian lingkungan hidup no 51 tahun 2004.WATER QUALITY IN THE DORERI BAY DISTRICT MANOKWARI. Traditional markets (Pasar Sanggeng and Wosi), port, PLTD (Power Plant), hotels and residential areas are located in the cost of Doreri bay in Manokwari district. Activities in those areas create organic and inorganic wastes that have been used the Doreri bay as a water dump. The waste has been dumped since long time ago and continue up to nowadays.  That cause water quality degradation of Doreri bay. The research objective was to determine the status of water quality in Doreri Bay, Manokwari Regency. The water quality study has been carried out in August 2016 in Marine laboratory of UNIPA and Prolink laboratory in IPB. Water samples collected from Sawaibu, Wosi, Andai, Sowi and Maruni beach.  Data were divided base on the data collection which is directly and indirectly collected. Water salinity, pH, temperature and dissolved oxygen are direct data collection. Turbidity, nitrate, phosphate and heavy metals are indirect data collection that has been analyzed in Prolink IPB. The water has been analyses by using Standard Method for Examination of Water and Wastewater (APHA, 1998). The results show that turbidity of five areas range from 0.17 to 6.16 NTU, pH range from 4.64 to 5.04, dissolved oxygen between 5.1 -6 mg/L, water salinity range from 30-33%, water temperature between 29, 8 - 30.6 oC, 0.1 -0.8 mg/L for nitrate and phosphate between 0.08 - 0.16 mg/L. Heavy metal (cadmium) showed high potential toxic risk on the biota of Doreri bay. Cadmium, nitrate, and phosphate are a heavy metal that categorized as concerned pollutant to the Dorery bay. Those heavy metal have been exceeded the water quality standard base on Ministry of environment number 51-2004.

Customary Right Compensation and Forest Villages Development Programs of Mangrove Company at Bintuni Bay Papua Barat

Mangrove at Bintuni bay offers various services to indigenous communities from ecology, social, and economic. Mangrove also could be harvested accordingly to optimize contributions to indigenous communities welfares. This paper highlights implementation of customary right compensation (CRC), and Forest Villages Development programs (FVDP) of mangrove company at Bintuni Bay, Papua Barat. Company reports and documents related to CRC and FVDP from 1988 to June 2013 were reviewed and analyzed. Field works were conducted to examine the implementation of both programs at four villages of two districts. Sustained mangrove harvest for chipwood production in Bintuni bay for more than 25 years is the most outstanding achievement of mangrove utilization and management in Indonesia. Huge amount of expenditure have been spent out, and given to indigenous communities through the CRC and FVDP programs, respectively. These cover from economic, social, and environmental related programs, manufactured public facilities, scholarships, and others. However, the indigenous communities are remained poor, and failed of being self-sufficient community. It clearly impresses that the main goals to improve the welfare, prosperity of indigenous people are considerable failed. It is presumably that social culture systems, and subsistence agriculture practices contribute to the failing these programs. Mostly, forest communities in Papua are practicing subsistence agriculture, hunting, heavily relying on their surrounding natural resources, and spending all their cash or money instantly for consumption, not for saving, investments or even productive activities. Therefore, several program could be initiated to improve in achieving the CRC and FVDP missions, such as building capacity, providing counselors and strengthen local community governance, which could accelerate of being self-reliant community

KEPADATAN, KARAKTER MORFOLOGI, DAN PERTUMBUHAN LAMUN Cymodocea rotundata DI PANTAI YANKARWAR, MANOKWARI, PAPUA BARAT: APAKAH ADA PERBEDAAN DIANTARA ZONA INTERTIDAL?

Cymodocea rotundata is a seagrass species that occupy habitats in the intertidal zone. The ability of this species to occupy the intertidal zone is thought to be related to its particular morphological adaptations in response to fluctuations in local aquatic environmental conditions. This study aims to describe habitat conditions, distribution related to density, morphological differences, and growth among C. rotundata seagrass stands in the upper, middle, and lower intertidal zones of Yankarwar Beach, Manokwari, West Papua. Transects and quadrats methods were used to collect seagrass samples, so information on their distribution and density could be obtained. The seagrass samples collected were also analyzed (counted and measured) for their morphological characters including the number of leaves, leaf length, leaf width, horizontal sheath internode length, root length, stand weight, leaf weight, rhizome weight, and root weight. Seagrass growth was obtained by marking the leaves and observing them for 10 days. The results of this study indicate that the conditions of the physicochemical parameters of the intertidal waters are still suitable for the growth of this seagrass species. The highest density was found in the upper intertidal zone (3,161.73 stands.m-2) and followed by the middle intertidal zone (962.04 stands.m-2). Although most of the morphological characters of seagrasses and seagrass parts were relatively the same between the three intertidal zones, larger leaf widths and lengths of horizontal rhizome internodes were found in stands in the two upper intertidal zones. Differences in growth as reflected by the increase in leaf length and dry leaf weight also showed greater values in the upper and middle intertidal zones. This condition shows the adaptability of this seagrass species to variations in environmental parameter conditions in the middle and upper intertidal zone. In addition, the results of this study indicate the presence of C. rotundata, especially in the intertidal aquatic environment which has an important ecological role, including as a substrate stabilizer. Therefore, this vegetation conservation effort is very important.   Keywords: intertidal zone, morphological adaptation, seagrass growt

Stok Karbon Pada Hutan Rawa Di Provinsi Papua Barat

Mengingat begitu pentingnya hutan bagi kehidupan manusia, baik dalam lingkup lokal, nasional maupun konteks global (perubahan iklim) Indonesia berupaya menemukan cara bagaimana menjadikan hutan itu tetap berperan sebagai sumber perekonomian, menyumbang pada perbaikan hidup masyarakat sekitar hutan, terjaga kelestariannya dan berkontribusi pada penurunan emisi gas rumah kaca. Dan alternatifnya adalah dengan menjaga serta memanfaatkan kemampuan hutan dalam menyerap dan menyimpan karbon termasukHutan Rawa, Hutan Rawa adalah hutan yang tumbuh dan berkembang pada kawasan atau wilayah yang selalu tergenang air tawar dan Stok karbon adalah cadangan karbon yang terdapat di alam. Tujuan dilakukannya penelitian ini adalah untuk Menghitung luasan Hutan Rawa di Provinsi Papua Barat, Menghitung jumlah stok karbon Hutan Rawa di Provinsi Papua Barat, Menganalisa berapa potensi emisi yang diakibatkan jika terjadi eksploitasi pada Hutan Rawa, Menghitung berapa nilai ekonomi serapan CO2 pada Hutan Rawa.Considering the importance of forests for human life, both in the local, national and global context (climate change), Indonesia seeks to find ways to make forests continue to play a role as economic resources, contribute to improving the lives of surrounding communities, maintain sustainability and contribute to reducing emissions greenhouse gas. And the alternative is to maintain and utilize the ability of forests to absorb and store carbon, including Swamp Forests, Swamp Forests are forests that grow and develop in areas or areas that are always flooded with fresh water and carbon stocks are carbon stocks found in nature. The purpose of this study was to calculate the swamp forest area in West Papua Province, calculate the amount of carbon stock in swamp forests in West Papua Province, analyze the potential emissions caused by exploitation of swamp forests, calculate the economic value of CO2 uptake in swamp forests

Analysis of Needs Green Open Space Use Unmanned Aerial Vehicle (UAV) at Campus Area Of Musamus University Merauke

Global warming due to the Greenhouse Gas Effect (GHG) occurs due to various sectors including agriculture, forestry, and industry. The forestry sector is the largest contributor to emissions reaching 43.92% in 2013. Musamus University (Unmus) is a state university located in the southern part of Papua, precisely in Merauke Regency. Unmus is a place for students to get education where the need for infrastructure is very necessaryamong themGreen Open Space (GOS) and Public Space. The development of the campus area is increasing. This is evidenced by the increase in the number of facilities and infrastructure built with an area built up to 2022 is ± 24,291 hectares. Unmus complies with the Law of the Republic of Indonesia No. 26 of 2007

Potensi Karbon Berbasis Pekarangan di Kampung Mubraidiba Kabupaten Manokwari

Identifikasi potensi biomasa dan karbon penting dalam upaya kontribusi menjaga keseimbangan lingkungan global. Tujuan dari penelitian ini adalah untuk mengetahui besaran potensi karbon pekarangan di kampung Mubraidiba. Metode yang digunakan ialah deskriptif dengan teknik observasi lapang yang dilakukan secara sensus terhadap seluruh tanaman pertanian, perkebunan dan kehutanan yang selanjutnya dibagi berdasarkan keleas diameter. Persamaan alometrik digunakan untuk menduga besaran nilai biomasa yang disesuaikan dengan karakteristik dan jenis tanaman yang ditemukan. Hasil penelitian menunjukkan bahwa jenis-jenis tanaman di pekarangan kampung Mubraidiba dilakukan pada 2 (dua) kelas diameter, yaitu kelas diameter 5-30 cm dan kelas diameter 30 cm up. Selain itu, pengelompokan tanaman juga dilakukan berdasarkan jenis tanaman kehutanan, pertanian dan perkebunan dengan jumlah jenis tanaman pertanian dan perkebunan pada kelas diameter 5 - 30 cm lebih banyak (66,67%) dibanding jenis tanaman kehutanan (33,33%). Selain itu, fungsi antara kebun campuran dan pekarangan sedikit berbeda antara kebun campuran dengan tujuan produktivitas dan pekarangan dengan fungsi produktivitas dan fungsi keindahan serta Kenyamanan tinggal. Rata-rata nilai biomasa pohon untuk kelas diameter 5-30 cm adalah 1,9951 ton/pekarangan, sedangkan rata-rata  biomasa tanaman pertanian sebesar 1,7035 ton/pekarangan. Rata-rata total nilai karbon pohon diameter 5-30 cm sebesar 2,6994 ton/pekarangan, sementara stok karbon pada tanaman kehutanan rata-rata dengan diameter 5 – 30 cm sebesar 3,7898 ton, sedangkan stok karbon tanaman pertanian dan perkebunan rata-rata sebesar 0,8518 ton/pekarangan.  &nbsp

Vegetation dynamic post-disturbance in tropical rain forest of Birds's Head Peninsula of West Papua, Indonesia

The tropical rainforest has a high level of biodiversity and plays an important role as a stable ecosystem.  However, an anthropogenic disturbance took place in some parts of the tropical rainforest.  The recovery of the disturbed forest is less scientifically understood.  Therefore, this study aims to examine the recuperation process of vegetation in Fef, Tambrauw Regency, and West Papua, in Indonesia by comparing the composition of primary forest life forms as control of the natural, five-year disturbed, and seven-year disturbed forest.  The results showed that the species diversity in the primary forest was not significantly different from the seven-year disturbed forest while the five-year disturbed forest was significantly different from the two types mentioned earlier.  Moreover, the similarity index showed that the primary and seven-year disturbed forest were identical and both were different from the five-year disturbed forest.  In addition, eight life forms were enumerated, viz. bamboo, climber, fern, herb, rattan, shrub, small tree, and large tree in which they were dynamic during the post-disturbance compared to primary forest. The residual forests should therefore be part of the intention of local people and government, in other not to exploit the forests by allowing the disturbed forests to recuperate naturally.