Population genetic consequences of small population size: implications for plant conservation
NC Ellstrand, DR Elam - Annual review of Ecology and …, 1993 - annualreviews.org
Although the potential genetic risks associated with rare or endangered plants and small
populations have been discussed previously, the practical role of population genetics in …
populations have been discussed previously, the practical role of population genetics in …
Relationship of genetic variation to population size in wildlife
R Frankham - Conservation biology, 1996 - Wiley Online Library
Genetic diversity is one of three levels of biological diversity requiring conservation. Genetic
theory predicts that levels of genetic variation should increase with effective population size …
theory predicts that levels of genetic variation should increase with effective population size …
When are peripheral populations valuable for conservation?
P Lesica, FW Allendorf - Conservation biology, 1995 - Wiley Online Library
A great deal of effort is spent protecting geographically peripheral populations of
widespread species. We consider under what conditions it is appropriate to expend …
widespread species. We consider under what conditions it is appropriate to expend …
Evaluating approaches to the conservation of rare and endangered plants
Nearly 25% of the estimated 250 000 spec cular plants in the world may become exti the
next 50 yr (Raven 1987), and 22% ofvas. species in the United States are currently vation …
next 50 yr (Raven 1987), and 22% ofvas. species in the United States are currently vation …
Increased probability of extinction due to decreased genetic effective population size: experimental populations of Clarkia pulchella
D Newman, D Pilson - Evolution, 1997 - Wiley Online Library
We established replicated experimental populations of the annual plant Clarkia pulchella to
evaluate the existence of a causal relationship between loss of genetic variation and …
evaluate the existence of a causal relationship between loss of genetic variation and …
[書籍][B] Genetics, demography and viability of fragmented populations.
Habitat fragmentation is one of the most ubiquitous and serious environmental threats
confronting the long-term survival of plant and animal species worldwide. As species …
confronting the long-term survival of plant and animal species worldwide. As species …
A comparison of levels of genetic polymorphism and self-compatibility in geographically restricted and widespread plant congeners
JD Karron - Evolutionary Ecology, 1987 - Springer
Evolutionary theory predicts low levels of genetic polymorphism and high levels of self-
compatibility in plant species with small ranges and few individuals. To test these …
compatibility in plant species with small ranges and few individuals. To test these …
Offspring fitness in relation to population size and genetic variation in the rare perennial plant species Gentiana pneumonanthe (Gentianaceae)
JGB Oostermeijer, MW Van Eijck, JCM Den Nijs - Oecologia, 1994 - Springer
Seeds were sampled from 19 populations of the rare Gentiana pneumonanthe, ranging in
size from 5 to more than 50,000 flowering plants. An analysis was made of variation in a …
size from 5 to more than 50,000 flowering plants. An analysis was made of variation in a …
The significance of genetic erosion in the process of extinction. I. Genetic differentiation in Salvia pratensis and Scabiosa columbaria in relation to population size
R Van Treuren, R Bijlsma, W Van Delden, NJ Ouborg - Heredity, 1991 - nature.com
As part of a programme to determine the importance of the loss of genetic variation for the
probability of population extinction, the amount of allozyme variation was determined in 14 …
probability of population extinction, the amount of allozyme variation was determined in 14 …