{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Downward trends in Ngorongoro Crater ungulate populations 1986-2005: Conservation concerns and the need for ecological research [An article from: Biological Conservation]","author_name":"R.D. Estes, J.L. Atwood, A.B. Estes","thumbnail_url":"https://www.ebooknetworking.net/books/B00/0RR/bigB000RR8LCK.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B000RR8LCK.html\">Downward trends in Ngorongoro Crater ungulate populations 1986-2005: Conservation concerns and the need for ecological research [An article from: Biological Conservation]</a>","width":400,"height":300}