使用半球摄影法评估中爪哇帕蒂县 Sambiroto 村和 Keboromo 村的红树林树冠覆盖率

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

Journal of Marine Research Pub Date : 2024-01-11 DOI:10.14710/jmr.v13i1.35424

Muhamad Fajar Azmi Kassagi, R. Ario, Nirwani Soenardjo

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引用次数: 0

摘要

红树林是热带和亚热带泛生物群落的一种，可在苏禄河流域生长和适应。红树林可作为生物群落的养分来源。该项目旨在通过对红树林的持久性分析，在爪哇腾格里省帕蒂市的桑比罗托（Desa Sambiroto）和克博罗莫（Desa Keboromo）地区建立红树林生态系统。该抽样方法是一种有目的的抽样方法。取样方法为桌面取样法。在两个地区（Desa Sambiroto (SB) 和 Desa Keboromo (KB)）的 4 个抽样点进行抽样。红树林的持久数据采用半球摄影法。半球摄影是一种摄影方法，用于通过鱼眼镜头（HP 相机）拍摄红树林照片。研究表明，在研究区内有 3 处红树林，其中 2 处位于地块附近。在小区内种植的红树林有Aviccenia marina和A. alba，其中A. marina占主导地位。红树林的面积从 1.167 到 6.567 英亩/公顷不等，红树林的生长指数（H'）和红树林的生长指数（J'）均大于 0.5，而红树林的生长指数（D'）大于 0.5，这表明红树林的生长量在不断增加。在 Desa Sambiroto 和 Desa Keboromo 的红树林持续存在率为 67.61%，符合红树林保护标准（Keputusan Menteri LH No.201 Tahun 2004）。红树林作为生物群生存的营养来源，其存在非常重要。本研究旨在通过分析红树林树冠覆盖率，确定中爪哇省帕蒂县 Sambiroto 和 Keboromo 村的红树林生态系统状况。观测站采用目的性取样法分为三个站点。本研究采用描述性方法进行。本研究在两个研究地点进行，即 Sambiroto 村 (SB) 和 Keboromo 村 (KB)，这两个地点由 4 个研究站组成。使用半球摄影法收集红树林树冠覆盖率的数据。半球摄影法是一种通过鱼眼镜头（HP 相机）拍摄照片来观察红树林树冠覆盖情况的摄影方法。结果显示，在研究地点发现了 6 种红树林，其中 2 种出现在地块中。小区内发现的红树林物种为 Avicennia marina 和 Avicennia alba，其中以 Avicennia marina 为主。红树林密度值介于 1.167 - 6.567 ind/ha 之间。多样性指数（H'）和均匀度指数（J'）的数值较低，各观测站的优势指数（D）大于 0.5，表明某些物种有占优势的趋势。根据红树林破坏标准（环境部 2004 年第 201 号法令），桑比罗托村和凯博罗莫村的红树林树冠覆盖率为 67.61%，属于中度破坏。

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Kajian Persentase Tutupan Kanopi Mangrove Menggunakan Metode Hemispherical Photography di Desa Sambiroto dan Desa Keboromo, Kabupaten Pati, Jawa Tengah

Ekosistem mangrove merupakan komunitas vegetasi pantai tropis dan subtropis yang dapat tumbuh dan beradaptasi pada daerah pasang surut. Keberadaan mangrove penting sebagai sumber nutrient bagi kelangsungan hidup biota di dalamnya. Penelitian ini bertujuan untuk mengetahui kondisi ekosistem mangrove di Desa Sambiroto dan Desa Keboromo, Kabupaten Pati, Jawa Tengah melalui analisis persentase tutupan kanopi mangrove. Stasiun pengamatan terbagi mejadi tiga stasiun mengunakan purposive sampling. Penelitian ini dilakukan dengan metode deskriptif. Penelitian dilakukan di 2 lokasi, yaitu Desa Sambiroto (SB) dan Desa Keboromo (KB) yang terdiri dari 4 stasiun penelitian. Pengambilan data persentase tutupan kanopi mangrove mengunakan metode Hemispherical Photography. Hemispherical Photography merupakan metode fotografi yang digunakan untuk melihat tutupan kanopi mangrove melalui foto dengan lensa fisheye (kamera HP). Hasil penelitian menunjukkan bahwa ditemukan 3 spesies mangrove di lokasi penelitian, 2 diantaranya di temukan di dalam plot. Spesies mangrove yang ditemukan di dalam plot yaitu Aviccenia marina dan A. alba yang di dominasi oleh A. marina. Nilai kerapatan mangrove berkisar antara 1.167 – 6.567 ind/ha .Nilai Indeks Keanekaragaman (H’) dan Indeks Keseragaman (J’) termasuk rendah, Indeks Dominansi (D) di setiap stasiun >0,5 menunjukkan adanya kecenderungan dominansi jenis tertentu. Hasil persentase tutupan kanopi mangrove di Desa Sambiroto dan Desa Keboromo memiliki nilai sebesar 67,61 % dan termasuk ke dalam kategori sedang sesuai kriteria baku kerusakan mangrove (Keputusan Menteri LH No.201 Tahun 2004). The existence of mangrove forests is very important as a source of nutrients for the survival of the biota in it. This study aims to determine the condition of the mangrove ecosystem in Sambiroto and Keboromo Village, Pati Regency, Central Java through analysis of the percentage of mangrove canopy cover. The observation stations were divided into three stations using purposive sampling. This research was conducted by descriptive method. This research was conducte in 2 research locations, Sambiroto Village (SB) and Keboromo Village (KB), which consisted of 4 research stations. Data collection on the percentage of mangrove canopy cover using the Hemispherical Photography method. Hemispherical photography is a photography method used to see the mangrove canopy cover through photos with a fish eye lens (HP camera). The result showed that 6 species of mangrove were found in the study site, 2 of which were found in the plot. The mangrove species found in the plot were Avicennia marina and Avicennia alba which were dominated by Avicennia marina. The value of mangrove density ranges from 1.167 – 6.567 ind/ha. The values of the Diversity Index (H’) and the Uniformity Index (J’) are low, the Dominance Index (D) at eatch station >0.5 indicates a tendency for the dominance of certain species. The results of the percentage of mangrove canopy cover in Sambiroto Village and Keboromo Village have a value of 67.61% and are included in the moderate category according to the standard criteria for mangrove damage (Minister of Environment Decree No.201 of 2004).

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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.