texts (e.g. 99) and even in guidelines of the World Bank. Similarly (156), the suggestion that effective population sizes below 50 lead to inbreeding depression and below 500 lead to dangerous loss of genetic variation was raised to the status of a ecosystems and regions (e.g. SIMBERLOFF a â¢â¢ â¢â¢ â¢ â¢â¢ â¢â¢ â¢ â¢â¢ â¢â¢â¢ Figure 1 superior to b â¢â¢ c â¢ â¢ d â¢ â¢â¢ â¢â¢â¢ e Proposed principles of refuge design. In each instance, design on left is viewed as design on right. Based on refs. 90 and 2 14. rule in some management circles (e.g . 107, 146). The "50" part of the rule has appeared in newspapers (e. g . 2 10). Fifty and 500 are called the "magic numbers" (209), and they have already been applied in management plans (e.g . 60) . However, the rules of refuge design and 501500 rule have been questioned recently . Each (save the first rule of refuge design-all other things being equal , a large reserve is better than a small one) has been disputed on theoretical as well as empirical grounds. Further, they have often been uncritically applied and viewed as laws rather
Annual Review of Ecology, Evolution, and Systematics – Annual Reviews
Published: Nov 1, 1988
It’s your single place to instantly
discover and read the research
that matters to you.
Enjoy affordable access to
over 18 million articles from more than
15,000 peer-reviewed journals.
All for just $49/month
Query the DeepDyve database, plus search all of PubMed and Google Scholar seamlessly
Save any article or search result from DeepDyve, PubMed, and Google Scholar... all in one place.
Get unlimited, online access to over 18 million full-text articles from more than 15,000 scientific journals.
Read from thousands of the leading scholarly journals from SpringerNature, Elsevier, Wiley-Blackwell, Oxford University Press and more.
All the latest content is available, no embargo periods.
“Hi guys, I cannot tell you how much I love this resource. Incredible. I really believe you've hit the nail on the head with this site in regards to solving the research-purchase issue.”Daniel C.
“Whoa! It’s like Spotify but for academic articles.”@Phil_Robichaud
“I must say, @deepdyve is a fabulous solution to the independent researcher's problem of #access to #information.”@deepthiw
“My last article couldn't be possible without the platform @deepdyve that makes journal papers cheaper.”@JoseServera