population sizes

Listing 1 - 10 from 66 for population sizes

Denver Botanic Gardens
... a rare plant species. It is the study of a population's birth and death rates, age distributions, sex ratios and population sizes. Below are a few of the species Denver Botanic Gardens ...
www.botanicgardens.org

Scotland
... ) virtually confined to Scotland. We are currently collecting detailed information on its distribution, ecology and population sizes. Results so far are interesting but difficult to interpret - there is no evidence of a ...
www.bsbi.org.uk

International Carnivous Plant Society
... , it does not seem to be resulting in an obvious decline in population sizes at this stage, but accurate surveys of population size and fluctuations would be of considerable value to conservation efforts ...
www.carnivorousplants.org

CPC Plant Profile - National Collection of Endangered Plants
... contain very few individuals, only 500 and 3, respectively. Due to these small population sizes, persistence is uncertain as these sites are especially susceptible to random disturbance ... from one population is stored at The Berry Botanic Garden. Research Management Needs • Study levels of seedling recruitment, natural rates of plant development, plant longevity, and minimum population sizes ...
www.centerforplantconservation.org

CPC Plant Profile - National Collection of Endangered Plants
... & Research Top Ecological Relationships Astragalus australis var. olympicus may represent a relictual population of A. australis that existed in the Olympic Mountains during the Pleistocene. ... Needs • Monitor known occurrences for population trends (WNHP 1999). • Conduct field searches to locate new populations (WNHP 1999). • If population sizes continue to decline, seedling recruitment may ...
www.centerforplantconservation.org More from this site

Aphis gossypii
... population densities are reached. A high population density induces the production of winged individuals which can migrate to new food sources. MANAGEMENT Dry weather conditions are favorable to aphids. Heavy rainfall decreases population sizes ...
www.extento.hawaii.edu

Fairchild Reaches Out To South Florida Communities in Restoring Plant Habitats
... of July. “One of the goals of the restoration project is to increase populations or population sizes in the wild,” comments Wright. “Coastal development has left us with fewer and fewer places ...
www.ftg.org

Kyu-Suk's Publications
... the variance effective population sizes (Ne(v)) were estimated as infinity over generations when all genotypes had equal fertility. All calculations were made for the constant population sizes over generations ... size of the population. The gene diversity was maintained high when provided the breeding population size was reasonable. Long term breeding programs that use small population sizes and low ...
www.genfys.slu.se

Kyu-Suk's Publications
... population sizes connecting these orchards with their expected crops were estimated to be 230.3, 610.3 and 49.4, respectively. Despite the large differences in status numbers and variance effective population sizes, the group coancestry remained at a low value in all expected seed orchard crops. Relative gene diversity compared to the reference population from ...
www.genfys.slu.se More from this site

CBCN Sitemap
... Footprints Article from RBG's Magazine Pappus Calculate A Rough Estimate of Your Ecological Footprint Population Sizes and Municipal Areas Worked Example of Footprint Estimate Education Getting Involved Invasive Plant Information Includes ...
www.rbg.ca

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