埃博森林外围矮鳄 (Osteolaemus Tetraspis Cope, 1861) 种群的分布:对保护的影响

Agbor James Ayamba, Tsiaze Kuete Thomas, Harrison Nnoko Ajebe, Ndjounguep Juscar, Prossie Manual Venceslas
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摘要

目的:本研究在埃博森林的三个河岸地区(伊博蒂区、洛甘加区和恩多克梅北区)进行,以确定矮鳄的分布和现状,以及影响其分布的环境因素。 材料与方法:在 2023 年 4 月、5 月和 6 月期间对列出的各个地点进行了调查。使用 Qgis 软件根据全球定位系统在 11 个水域点记录的坐标绘制了埃博森林外围的矮鳄分布图,并对 37 名渔民/猎人进行了访谈。调查结果:根据《世界自然保护联盟红色名录》确定的物种地位对其进行了分类。研究表明,在研究的 11 个水点中,有 6 个是侏儒鳄的栖息地,所占比例为 54.54%。虽然我们在伊博蒂区的水道中没有观察到侏儒鳄,但在洛南加区(60%)比恩多克梅姆-北区(40%)更多地发现了侏儒鳄。埃博森林外围的矮鳄平均密度约为 0.50 条/公里河岸。这意味着侏儒鳄的数量正在减少,亟需加大保护力度,防止其在埃博森林地区消失。对理论、实践和政策的影响:为了保证鄂博森林周边地区鳄鱼的生存和活力,有必要选择有机农业,监测河流和水体的质量,并定期对鳄鱼进行生态监测。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Distribution of Dwarf Crocodile (Osteolaemus Tetraspis Cope, 1861) Populations on the Outskirts of the Ebo Forest: Implications for Conservation
Purpose: The study was carried out in three riparian areas of the Ebo forest (Iboti, Lognanga and Ndokmem-North zones) to determine the distribution and status of dwarf crocodiles, and environmental factors influencing their distributions.   Materials and Methods: Survey on the various listed sites were carried out during the months of April, May and June 2023. The Qgis software was used to produce the distribution map of dwarf crocodiles in the periphery of the Ebo forest from the coordinates recorded at 11 water points using a GPS and 37 fishermen/ hunters were interview. Findings: The species were classified according to their status defined according to the IUCN red list protocol. The study showed that of the 11 water points studied, 6 were home to dwarf crocodiles, representing a proportion of 54.54%. Although we did not observed dwarf crocodiles in the watercourses in the Iboti zone, their presence is more established in the Lognanga zone (60%) than in the Ndokmem-north zone (40%). The average density of dwarf crocodiles in the periphery of the Ebo forest is around 0.50 crocodiles/km of riverbank covered. This implies that the population of dwarf crocodiles is decreasing and there is high need to increase conservation efforts to protect it from disappearing within the Ebo forest area. Implications to Theory, Practice and Policy: To guarantee the survival and viability of crocodiles in the periphery of the Ebo forest, it is necessary to opt for organic agriculture, monitoring the quality of rivers and water bodies and regular ecological monitoring of crocodiles.
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