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首页> 外文期刊>Chelonian conservation and biology >Diet of Diamondback Terrapins (Malaclemys terrapin) in Subtropical Mangrove Habitats in South Florida
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Diet of Diamondback Terrapins (Malaclemys terrapin) in Subtropical Mangrove Habitats in South Florida

机译：南佛罗里达州亚热带红树林栖息地的小菜back（Malaclemys terrapin）的饮食

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摘要

Unique among turtles as the only exclusively estuarine species, the diamondback terrapin's (Malaclemys terrapin) life history predisposes it to impacts from humans both on land and in the near-shore environment. Terrapins are found in salt marshes and mangroves along the Atlantic and Gulf coasts from Massachusetts to Texas. Whereas previous dietary studies have elucidated terrapins' role in temperate salt marsh food webs, food resources for terrapins inhabiting subtropical mangrove habitats have not been studied. We examined dietary resource use for diamondback terrapins in subtropical mangrove creek and island habitats within Everglades National Park, Florida, to determine foraging strategies of terrapins inhabiting south Florida (SF) mangrove systems. Fecal analysis revealed 6 categories of food items, with gastropods, crabs, and bivalves being the dominant food items. Multivariate analysis revealed differences in food sources based on habitat more so than by terrapin size class. Our results revealed that like their counterparts in temperate salt marshes, SF terrapins consume similar prey categories but with different species and abundances comprising each category.
机译：菱纹背龟（Malaclemys terrapin）的生活史使其在龟中是唯一的唯一河口物种，这使其易于受到人类对陆地和近海环境的影响。在从马萨诸塞州到德克萨斯州的大西洋和墨西哥湾沿岸的盐沼和红树林中发现水龟。尽管先前的饮食研究已经阐明了水龟在温带盐沼食物网中的作用，但尚未研究水龟在亚热带红树林栖息地中的食物资源。我们研究了佛罗里达州大沼泽国家公园内亚热带红树林小河和岛屿栖息地中菱纹的饮食资源使用情况，以确定居住在南佛罗里达州（SF）红树林系统中的的觅食策略。粪便分析揭示了6类食物，其中腹足动物，螃蟹和双壳类动物为主要食物。多变量分析显示，基于栖息地的食物来源差异要比水龟大小等级更大。我们的结果表明，像温带盐沼中的同类一样，SF水龟消耗相似的猎物类别，但每个类别具有不同的物种和数量。

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