بحث متقدم
Our living resources : a report to the nation on the distribution, abundance, and health of U.S. plants, animals, and ecosystems
قراءة الكتاب
  • المؤلفون: LaRoe, Edward T.
  • تاريخ النشر: 1995.
  • الناشرون: U.S. Dept. of the Interior, National Biological Service
  • المساهمون: Biodiversity Heritage Library
  • المجموعات: Biodiversity Heritage Library
  • التصنيف: Science (including mathematics)
  • الموضوعات: Biotic communities--United States. ,  Biological diversity--United States. ,  Animal populations--United States. ,  Plant populations--United States. ,  Endangered species--United States. ,  Endangered ecosystems--United States. ,  Natural resources--United States. ,  United States--Environmental conditions.
  • رقم الإستدعاء: 574.973
  • كلمات مفتاحية: Biotic communities United States. Biological diversity United States. Animal populations United States. Plant populations United States. Endangered species United States. Endangered ecosystems United States. Natural resources United States. United States Environmental conditions.

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