کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4399793 1618540 2015 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Mammal decline in the Middle America
ترجمه فارسی عنوان
پستانداران در آمریکای مرکزی کاهش یافته است
کلمات کلیدی
از دست دادن تنوع زیستی، رویکرد بیوگرافی حفاظت، جمعیت پستانداران، مرز نابودگر- نئوتروپیک، گونه های تهدید
موضوعات مرتبط
مهندسی و علوم پایه علوم زمین و سیارات علوم زمین و سیاره ای (عمومی)
چکیده انگلیسی

The Middle America is located in the Nearctic–Neotropical boundary. The combination of temperate and tropical biota of these two biogeographic regions, plus an area of biotic overlap propitiates unusually high species diversity and endemism. We present the first general assessment based on the IUCN Red List of Threatened Species that provides evidence of widespread decline in the conservation status of land mammals from southern U.S.A. to Panama. One in every three species considered in our study (n = 273) is classified as threatened, and the rate of biodiversity loss increased 0.64% between 2008 and 2012. Endangered species of the Middle America represents 11.8% of the global endangered mammal species, and 7.9% of the threatened species. Habitat loss and the introduction of alien species are the major threats; however, the relative impact of these threats varies among habitats. For continental species, habitat loss is prevalent, while for insular species the introduction of alien species has devastating effects. Our results suggest that if no integral multi-species conservation actions are applied in the short-term, more than 20% of the extant mammal species in the region could become extinct in the near future (10–50 years).

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal for Nature Conservation - Volume 28, November 2015, Pages 127–132
نویسندگان
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