Diah Permata Sari, M. Idris, H. Anwar, Irwan Mahakam Lesmono Aji, Kornelia Webliana B
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引用次数: 1

摘要

Eyat Mayang村具有红树林生态系统的潜力,是红树林湾红树林走廊(KEE)重要生态系统区域的一部分。这项研究的目的是分析Eyat Mayang村mangrove植物的结构和组成。数据收集是通过网格路径方法的一个样本进行的。样本强度为5.5%,样本总数为84。红树林植被的成分分析包括重要的价值指数、多样性指数、种类财富指数、高质量指数。研究表明,Eyat ma杨村的红树林植被由五种主要的红树林组成,属于三个家族。草本植物具有最高的生长价值,在所有生长水平上都是主导物种。树木和杆子生长速度的多样性指数属于中等类别,而表单拥有较低的多样性和整个较低类别的财富指数。树的参差不齐索引属于一个几乎均匀的类别,而桩和semai属于一个相当均匀的类别。红树林植被的水平结构表明,红树林的低海拔和低密度最高。直径类与密度的关系显示了最好的曲线“J”曲线,这表明直径越宽,密度越低,这是自然森林环境的自然条件。红树林植被的垂直结构表明Eyat村、包括进地层C(4—20 m)和地层D(1—4)。分析Eyat红树林植被的子表区、村,龙目岛西部RegencyAbstractEyat、村有a的潜在的红树林生态系统和》是《Essential部分红树林生态系统区域(KEE)《张》湾走廊。这项研究的目的是分析在Mayang Village的mangrove植被的结构和组合。通过使用网格路径方法的样本片段进行收集数据。样本编号确定采用5.5%的样本量,共84个样本样本。分析红树林营养成分的成分包括据推测,在Eyat Mayang村,红树林植被的成分被认为是五个主要的红树林物种,由三个家庭组成。Rhizophora apiculata物种得到了最大的lvi值,成为了所有生长阶段的统治物种。树和树的多样性指数是在介质中生长的,而树的多样性较低,物种在所有阶段都是较低的类别。事实上,树木的数量几乎是均匀的,而擦亮和潜伏却很均匀。猎物生长的水平表明,树的密度是最高的,树的密度是最大的。直径与密度之间的关系展现了最大的“J”曲线,这是密度低的密度所特有的一种自然情况。垂直结构显示,在Eyat Mayang村的mangrove植被为C(4 - 20米)和D(1 - 4米)。
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Analisis Vegetasi Mangrove di Desa Eyat Mayang, Kecamatan Lembar, Kabupaten Lombok Barat
Desa Eyat Mayang memiliki potensi ekosistem mangrove dan merupakan bagian dari Kawasan Ekosistem Esensial (KEE) Koridor Mangrove Teluk Lembar. Tujuan dari penelitian ini yaitu untuk menganalisis struktur dan komposisi vegetasi mangrove di Desa Eyat Mayang. Pengumpulan data dilakukan melalui plot contoh dengan metode jalur berpetak. Jumlah petak contoh ditentukan menggunakan intensitas sampling (IS) 5,5% dengan total plot contoh 84. Analisis komposisi vegetasi mangrove meliputi indeks nilai penting, indeks keanekaragaman, indeks kekayaan jenis, indeks kemerataan. Hasil penelitian menunjukkan bahwa komposisi vegetasi mangrove di Desa Eyat Mayang terdiri dari lima spesies mangrove mayor yang termasuk ke dalam tiga famili. Spesies Rhizophora apiculata memiliki nilai INP paling tinggi dan menjadi spesies dominan pada seluruh tingkat pertumbuhan. Indeks keanekaragaman pada tingkatan pertumbuhan pohon dan tiang termasuk kategori sedang, sedangkan semai memiliki keanekaragaman rendah serta  indeks kekayaan jenis pada seluruh tingkatan masuk kategori rendah. Indeks kemerataan pohon termasuk ke dalam kategori hampir merata sedangkan pada tiang dan semai termasuk ke dalam kategori cukup merata. Struktur vegetasi mangrove secara horizontal menunjukkan bahwa kerapatan pada tingkatan semai paling tinggi dan kerapatan pohon paling rendah.  Hubungan antara kelas diameter dengan kerapatan menunjukkan kurva huruf “J” terbaik yang menunjukkan bahwa semakin besar diameter semakin rendah kerapatannya dan hal tersebut merupakan kondisi alamiah pada kawasan hutan yang alami. Struktur vertikal menunjukkan bahwa vegetasi mangrove di Desa Eyat Mayang termasuk ke dalam stratum C (4 – 20 m) dan stratum D (1 – 4 m). Analysis of Mangrove Vegetation in Eyat Mayang Village, Lembar Sub District, Lombok Barat Regency Abstract Eyat Mayang Village has the potential for a mangrove ecosystem and is part of the Essential Ecosystem Area (KEE) of the Lembar Bay Mangrove Corridor. The purpose of this research is to analyze the structure and composition of mangrove vegetation in Eyat Mayang Village. Data collection was carried out through sample plots using the grid path method. The number of sample plots was determined using a sampling intensity (IS) of 5.5% with a total of 84 sample plots. Analysis of the composition of the mangrove vegetation included the importance value index, diversity index, species richness index, evenness index. The results showed that the composition of the mangrove vegetation in Eyat Mayang Village consisted of five major mangrove species belonging to three families. Rhizophora apiculata species had the highest IVI value and became the dominant species at all growth stages. The diversity index at the tree and pole growth stages is in the medium category, while the seedlings have low diversity and the species richness index at all stages is in the low category. The evenness index of trees is in the almost even category, while the poles and seedlings are in the fairly even category. The horizontal structure of the mangrove vegetation shows that the density at the seedling level is the highest and the density of trees is the lowest. The relationship between diameter classes and density shows the best "J" curve which indicates that the larger the diameter the lower the density and this is a natural condition in natural forest areas. The vertical structure shows that the mangrove vegetation in Eyat Mayang Village belongs to stratum C (4 – 20 m) and stratum D (1 – 4 m).
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