东龙目岛吉利佩塔甘红树林树冠密度和覆盖率分析

IF 0.5 4区地球科学 Q3 Earth and Planetary Sciences

Journal of Marine Research Pub Date : 2023-10-30 DOI:10.14710/jmr.v12i4.41028

Salvina Herawaty Puna, Muh. Marwan, Wiwid Andriyani Lestariningsih, Ibadur Rahman

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引用次数: 0

摘要

红树林生态系统是陆地和海洋之间的过渡区域，可以在潮汐地区发展，也可以在沼泽或沙质基层发展。红树林生态系统具有物理、生态和经济功能。Gili Petagan是帕达克瓜尔(Padak Guar)的一个小岛，该村庄位于东龙目岛，占地56.8英亩(56.8公顷)，主要由红树林植被占据。这项研究的目的是确定龙目岛东龙目岛Gili Petagan的厚冠冠冠。mangrove密度数据采用Dombois &方法收集红树林Ellenberg树冠,而闭合数据使用半球形摄影方法。研究发现了四种红树林，一种是雷兹奥普洛塔、一种叫穆可罗纳塔、一种叫雷泽普洛塔、一种叫穆希纳普朗塔和一种叫阿尔巴的红树林。在Gili Petagan红树林树干直径范围,即之间4,7-9,56厘米和玄武岩区域范围即46,66-5.320 m2 -哈。红树林平均密度3.120 ind -哈大,包括处于良好标准。然后红树林树冠高达71%,平均成绩挡板包括在一类。发现占主导地位的基质在Gili Petagan类型就是适合红树林生长的沙质黏土。《transitional地区红树林生态系统是找到可以冲洗的陆地和海洋之间和泥泞或桑迪substrates潮汐地区。红树林生态系统有体格,ecological》和经济functions。Gili Petagan is a small island定位在我一头瓜尔牛村,Sambelia之区,东地区龙目岛丽晶with an 8 hectares和控制是由mangroves 56。这个研究红树林aims to个重大的密度在Gili Petagan封面和树冠,Sambelia区,东龙目岛的摄政。红树林用的数据密度是collected Dombois红树林和Ellenberg方法上的数据,而树冠封面用的是获得半球形摄影方法。红树林研究发现四个物种,论点》Rhizophora apiculata, Rhizophora mucronata, Rhizophora stylosa,阿尔巴和Sonneratia。红树林树干diameters之射程在Gili Petagan是4。7 - 9 . 56厘米和a之间区域太阳城的玄武岩66-5,320 m2 -哈46之间。红树林的平均密度是3.120 ind -哈,这瀑布在臭名昭著的“祝criteria。Furthermore,红树林树冠的平均价值》封面是71%,美国机密“温和派都会。”substrate发现在Gili Petagan dominant式》是桑迪loam哪种是红树林suitable for增长。

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Analisis Kerapatan dan Tutupan Kanopi Mangrove di Gili Petagan, Lombok Timur

Ekosistem mangrove terdapat pada daerah peralihan antara daratan dan lautan yang dapat berkembang pada daerah pasang surut dengan substrat berlumpur atau berpasir. Ekosistem mangrove mempunyai fungsi fisik, ekologi, dan ekonomi. Gili Petagan merupakan salah satu pulau kecil yang terletak di Desa Padak Guar, Kecamatan Sambelia, Kabupaten Lombok Timur dengan luas 56,8 hektar dan didominasi oleh vegetasi mangrove. Penelitian ini bertujuan untuk mengetahui kerapatan dan tutupan kanopi mangrove di Gili Petagan, Kecamatan Sambelia, Kabupaten Lombok Timur. Pengumpulan data kerapatan mangrove menggunakan metode Dombois & Ellenberg, sedangkan data tutupan kanopi mangrove menggunakan metode hemispherical photography. Hasil penelitian ditemukan empat jenis mangrove yaitu Rhizophora apiculata, Rhizophora mucronata, Rhizophora stylosa, dan Sonneratia alba. Kisaran diameter batang mangrove di Gili Petagan yaitu antara 4,7-9,56 cm dengan kisaran basal area yaitu antara 46,66-5.320 m2/ha. Rata-rata kerapatan mangrove sebesar 3.120 ind/ha, termasuk dalam kriteria baik. Kemudian nilai rata-rata tutupan kanopi mangrove sebesar 71%, termasuk dalam kategori sedang. Jenis substrat yang dominan ditemukan pada Gili Petagan yaitu lempung berpasir yang sesuai untuk pertumbuhan mangrove. The mangrove ecosystem is found in transitional areas between land and sea that can develop in tidal areas with muddy or sandy substrates. Mangrove ecosystem have physical, ecological and economic functions. Gili Petagan is a small island located in Padak Guar Village, Sambelia District, East Lombok Regency with an area of 56.8 hectares and is dominated by mangroves. This study aims to determine mangrove’s density and canopy cover in Gili Petagan, Sambelia District, East Lombok Regency. Mangrove density data were collected using the Dombois and Ellenberg method, while data on mangrove canopy cover were obtained using the hemispherical photography method. The result of the study found four mangrove species, Rhizophora apiculata, Rhizophora mucronata, Rhizophora stylosa, and Sonneratia alba. The range of mangrove trunk diameters on Gili Petagan is between 4.7-9.56 cm with a basal area range of between 46.66-5,320 m2/ha. The average density of mangrove is 3.120 ind/ha, which falls within the "good" criteria. Furthermore, the average value of mangrove canopy cover is 71%, classified as "moderate." The dominant type of substrate found on Gili Petagan is sandy loam which is suitable for mangrove growth.

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来源期刊

Journal of Marine Research 地学-海洋学

自引率

0.00%

发文量

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.