and the objective stewardship and provision of information” – must be preserved and strengthened; and they require library professionals to provide all people with the information they need, “regardless of age, education, ethnicity, language, income, physical limitations or geographic barriers,” and...
For example, in outcrossed metazoans populations each individual has a un- ique genotype (barring identical twins), and thus each genotype is by definition unique to an area: this does not prove that there are region-specific popula- tions. It is more appropriate to test hypotheses concerning ...
2007), and major Earth features, such as the Andean mountain chain, have arisen relatively recently (Hartley 2003), creating important new distributional opportunities and barriers for species and biotas. The relevance of these major changes to the distributional biology of species, of course, ...
Kisel and Barraclough (2010) showed that the probability of speciation within a given region increases with the size of this region, owing to more opportunity for geographical isolation by distance or barriers, more habitat types making possible ecological speciation, or larger population sizes ...
(nonliving) factors, such asmountainranges,oceansand large waterways, and other geographic barriers, and it may be closely associated with the species’ tolerance limits (that is, the range of environmental conditions within which a species can survive), such as those that apply tooxygenlevels, ...
electronic applications can help individual researchers, scientific institutions, and the scientific community at large. We further highlight how current barriers like poor awareness, knowledge access, and time investments can be resolved, and provide guidelines to help academics to enter this emerging ...