Estimasi Simpanan Karbon dan Bioekologi Lamun di Pantai Prawean, Jepara

IF 0.5 4区 地球科学 Q3 Earth and Planetary Sciences
Vionita Endarwantti, Ali Djunaedi, Gunawan Widi Santosa
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引用次数: 0

Abstract

Perubahan iklim global yang semakin meningkat dapat menyebabkan kenaikan kadar karbondioksida pada atmosfer. Lamun dapat mengurangi kadar karbondioksida pada atmosfer dengan cara menyerap karbon anorganik melalui proses fotosintesis lamun dan menyimpannya dalam bentuk karbon organik dalam jangka waktu lama. Oleh karena itu penelitian ini bertujuan untuk mengetahui komposisi jenis, kerapatan, penutupan, indeks ekologi, biomassa, dan karbon pada vegetasi lamun di Pantai Prawean, Jepara. Penelitian ini menggunakan metode pengambilan data secara purposive sampling. Pendataan kondisi padang lamun mengacu pada metode LIPI 2014 dengan mendata penutupan, dan kerapatan lamun. Pengambilan sampel lamun menggunakan seagrass core secara acak. Sampel lamun diolah dengan metode Loss On Ignition (LOI) untuk mengetahui kadar karbon. Selanjutnya data kadar karbon dikonversikan berdasarkan nilai biomassa lamun. Jenis lamun yang ditemukan di Pantai Prawean berjumlah 5 jenis antara lain Cymodocea rotundata, Thalassia hemprichiii, Oceana serrulata, Enhalus acoroides dan Halodule uninervis. Kerapatan lamun di Pantai Prawean dapat mencapai 1717 individu/m2 pada stasiun 1 dan 780 individu/m2pada stasiun 2. Persentase penutupan lamun total di Pantai Prawean sebesar 39,20 % pada stasiun 1 dan 22,73 % pada stasiun 2. Indeks ekologi pada stasiun 1 memiliki keanekaragaman rendah, keseragaman rendah dan ada dominasi lamun. Sedangkan pada stasiun 2 memiliki keanekaragaman sedang, keseragaman sedang dan dominasi sedang. Total biomassa lamun pada stasiun 1 dan stasiun 2 sebesar 2970,01 g/m2 dan 1345,85 g/m2. Total estimasi kandungan karbon lamun pada stasiun 1 dan stasiun 2 sebesar 1000,61 gC/m2 dan 447,27 gC/m2. Global climate change can cause an increase in carbon dioxide levels in the atmosphere. Seagrass can reduce carbon dioxide levels in the atmosphere by absorbing inorganic carbon through the seagrass photosynthesis process and storing it in the form of organic carbon for a long time. Therefore, this study was conducted to determine species composition, density, cover, ecological index, biomass, and carbon in seagrass vegetation in Prawean Beach, Jepara. This research uses purposive sampling data collection method. Data collection on the condition of seagrass beds refers to the 2014 LIPI method by recording the cover and density of seagrass. Seagrass sampling used random seagrass cores. Seagrass samples were processed by the Loss On Ignition (LOI) method to determine the carbon content. Furthermore, the carbon content data is converted based on the value of seagrass biomass. There are 5 types of seagrass found on Prawean Beach, namely Cymodocea rotundata, Thalassia hemprichiii, Oceana serrulata, Enhalus acoroides and Halodule uninervis. The density of seagrass in Prawean Beach can reach 1717 individuals/m2 at station 1 and 780 individuals/m2 at station 2. The percentage of total seagrass cover in Prawean Beach is 39.20% at station 1 and 22.73% at station 2. station 1 has low diversity, low uniformity and there is a dominance of seagrass. While at station 2 has moderate diversity, moderate uniformity and moderate dominance. The total biomass of seagrass at station 1 and station 2 was 2970.01 g/m2 and 1345.85 g/m2. The total estimated carbon content of seagrass at station 1 and station 2 is 1000.61 gC/m2 and 447.27 gC/m2.
哲帕拉 Prawean 海滩的碳储量估算与海草生物生态学
全球气候变化的增加会导致大气中二氧化碳水平的增加。海草可以通过海草光合作用的过程吸收无机碳并长期以有机碳形式储存,从而降低大气中的二氧化碳水平。因此,本研究的目的是确定Prawean, Jepara海滩上草本植物的类型、密度、封闭性、生态指数、生物量和碳的组成。本研究采用采样方法进行数据检索。lamun lamun状态记录是2014年LIPI方法的关闭和海葵密度。海草样本采用海草核进行随机取样。lamun样本是用熟悉的方法进行的,以确定碳的浓度。然后根据海草的生物质量值对碳含量的收敛数据。在Prawean海滩发现的海草品种有五种,包括Cymodocea rotundata,地中海贫血,Oceana serrulaii, endelidiadiades和halooides uninervis。在第一站可达1717人/m2,在第二站可达780人/m2。在第一站有39.20%海葵闭合,在第二站有22.73 %。第一站的生态指数低,均匀性低,海葵占主导地位。第二站有适度的多样性,适度的统一性和适度的统治。海葵在第一站和第二站的总生物量为2970.01 g/m2和1345.85 g/m2。第一站和第二站的海草碳总值为1000,61 gC/m2和447.27 gC/m2。全球气候变化可能导致大气中二氧化碳水平增加。Seagrass可以在大气中减少二氧化碳浓度,由Seagrass输入光合作用过程并将其储存在有机碳形式中很长一段时间。因此,这项研究是负责确定物种组合、密度、封面、生态索引、生物质素和加州大草原、杰帕拉的草本植物的碳。这个研究uses采样数据收集方法。数据收集用过的海草样本。几种几种几种的几种不同的方法是确定碳满足的方法。在更远的地方,基于海带生物质量的价值的碳满足数据被转换。在Prawean Beach, namely Cymodocea rotundata,地中海积水,Oceana serrulaii, enmuiloides和Halodule uninervis发现了5种类型。Prawean海滩海草的颜色可以到达1717个性/m2站1和780个性/m2站2。普拉维恩海滩的总平均平均成绩为33.20%,站1和站22.73%。第一站有低多样性,低统一,有海草的统治。虽然在第二站有温和、中立和现代统治。第一站和第二站的seagrass总生物量是297001 g/m2和1345 g/m2。1号和2号的总大气碳含量为1000.61 gC/m2和447.27 gC/m2。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Journal of Marine Research
Journal of Marine Research 地学-海洋学
自引率
0.00%
发文量
1
审稿时长
3 months
期刊介绍: The Journal of Marine Research publishes peer-reviewed research articles covering a broad array of topics in physical, biological and chemical oceanography. Articles that deal with processes, as well as those that report significant observations, are welcome. In the area of biology, studies involving coupling between ecological and physical processes are preferred over those that report systematics. Authors benefit from thorough reviews of their manuscripts, where an attempt is made to maximize clarity. The time between submission and publication is kept to a minimum; there is no page charge.
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