How Habitat Features and Human Activities Shape Occurrence of the Declining Eurasian Oystercatcher Haematopus ostralegus on a Mediterranean Coastline

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
F. Hamza
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引用次数: 2

Abstract

Summary. Understanding ecological factors and processes affecting the abundance of species of conservation concern is key to ensuring their conservation. The Eurasian Oystercatcher Haematopus ostralegus is a ‘Near Threatened’ wader species that depends on coastal zones during the non-breeding season. However, these habitats constitute focal points of human settlement and suffer from intensified human activities. I used survey data from the central part of the Gulf of Gabès, Tunisia, to assess the significance of ecological and anthropogenic factors as predictors of the density of wintering oystercatchers. Using generalized linear mixed models, Oystercatcher density was positively correlated with sediment mud content and negatively correlated with seagrass cover. Density was also positively correlated with distance from human settlements and negatively correlated with the densities of recreationists and artisanal fishermen. Overall, oystercatchers avoid intertidal areas near human settlements. This study provides critical information on where conservation and research efforts should be focused to preserve this wader species. As a priority, investigations on flight initiation distances are needed to determine at which spatial level it would be beneficial to create buffer zones or walkways to minimise the negative impact of human disturbance on this wintering population.— Hamza, F. (2020). How habitat features and human activities shape occurrence of the declining Eurasian Oystercatcher Haematopus ostralegus on a Mediterranean coastline. Ardeola, 67: 269-284.
生境特征和人类活动如何影响地中海沿岸欧亚捕牡蛎者ostraleghaematopus的发生
总结。了解影响受保护物种丰度的生态因素和过程是确保它们得到保护的关键。欧亚捕牡蛎者ostralegus是一种“近危”涉水物种,在非繁殖季节依赖于沿海地区。然而,这些生境是人类住区的焦点,并受到人类活动加剧的影响。我使用了来自突尼斯加布特斯湾中部的调查数据,以评估生态和人为因素作为冬捕牡蛎者密度预测因子的重要性。在广义线性混合模型下,捕牡蛎密度与泥沙含量正相关,与海草盖度负相关。密度与人类住区的距离呈正相关,与游憩者和手工渔民的密度呈负相关。总的来说,捕牡蛎者会避开人类住区附近的潮间带。这项研究为保护这一涉水物种的保护和研究工作应该集中在哪里提供了关键信息。首先,需要对飞行起始距离进行调查,以确定在哪个空间水平上创建缓冲区或人行道是有益的,以尽量减少人类干扰对这些越冬种群的负面影响。——哈姆扎F. (2020)栖息地特征和人类活动如何影响地中海海岸线上欧亚捕牡蛎者ostralegus数量的下降。中国生物医学工程学报,27(6):269-284。
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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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