Results 51 to 60 of about 136,690 (209)

The complete chloroplast genome of Castanopsis sieboldii (Makino) Hatus (Fagaceae)

open access: yesMitochondrial DNA. Part B. Resources, 2021
Castanopsis sieboldii (Makino) Hatus is an evergreen tree that distributes in Eastern Asia including Islands of Korea and Japan. The chloroplast genome of C. sieboldii was successfully sequenced.
Jongsun Park   +5 more
doaj   +1 more source

Estimating macrobenthic secondary production from body weight and biomass: a field test in a non-boreal intertidal habitat [PDF]

open access: yes, 1993
Production (P) and biomass (B) data of different species from 3 stations in the intertidal zone of the Ria Formosa (southern Portugal, 37-degrees-N) were analysed.
Sprung, Martin
core   +1 more source

Interspecific variation in beeswax as a biological construction material [PDF]

open access: yesJournal of Experimental Biology, 2006
SUMMARY Beeswax is a multicomponent material used by bees in the genus Apis to house larvae and store honey and pollen. We characterized the mechanical properties of waxes from four honeybee species: Apis mellifera L., Apis andreniformis L., Apis dorsata L. and two subspecies of Apis cerana L.
Robert, Buchwald   +3 more
openaire   +2 more sources

Geographic variation in advertisement calls in a tree frog species: gene flow and selection hypotheses. [PDF]

open access: yesPLoS ONE, 2011
In a species with a large distribution relative to its dispersal capacity, geographic variation in traits may be explained by gene flow, selection, or the combined effects of both.
Yikweon Jang   +5 more
doaj   +1 more source

Phylogenetic relationships in Betula (Betulaceae) based on AFLP markers [PDF]

open access: yes, 2008
The genus Betula comprises various species in boreal and temperate climate zones of the Northern Hemisphere. The taxonomy of Betula is controversial and complicated by parallel evolution of morphological traits, polyploidization events, and extensive ...
Gilissen, L.J.W.J.   +4 more
core   +2 more sources

Recombination and Large Structural Variations Shape Interspecific Edible Bananas Genomes [PDF]

open access: yesMolecular Biology and Evolution, 2018
Admixture and polyploidization are major recognized eukaryotic genome evolutionary processes. Their impacts on genome dynamics vary among systems and are still partially deciphered. Many banana cultivars are triploid (sometimes diploid) interspecific hybrids between Musa acuminata (A genome) and M. balbisiana (B genome).
Baurens, Franc-Christophe   +10 more
openaire   +4 more sources

Higher gregarine parasitism often in sibling species of host damselflies with smaller geographical distributions [PDF]

open access: yes, 2012
1. This study investigated inter-specific variation in parasitism by gregarines (Eugregarinorida: Actinocephalidae), among sibling species of damselflies (Odonata: Zygoptera), in relation to relative size of geographical ranges of host species.
Forbes, MR, Hassall, C, Mlynarek, JJ
core   +1 more source

Predation risk reduces a female preference for heterospecific males in the green swordtail [PDF]

open access: yes, 2016
The presence of a predator can result in the alteration, loss or reversal of a mating preference. Under predation risk, females often change their initial preference for conspicuous males, favouring less flashy males to reduce the risk of being detected ...
Alonzo, Suzanne H.   +2 more
core   +1 more source

PPNID : a reference database and molecular identification pipeline for plant-parasitic nematodes [PDF]

open access: yes, 2020
Motivation: The phylum Nematoda comprises the most cosmopolitan and abundant metazoans on Earth and plant-parasitic nematodes represent one of the most significant nematode groups, causing severe losses in agriculture.
Bert, Wim   +5 more
core   +1 more source

Climate tolerance and interspecific variation in geographic range size [PDF]

open access: yesProceedings of the Royal Society of London. Series B: Biological Sciences, 2003
The fact that climate influences the continental-scale distributions of species is one of the central tenets of ecology and biogeography. Equally elemental is that species exhibit enormous variation in geographic range size, with most occupying comparatively small areas. The degree to which climate can account for this variation remains unclear.
openaire   +2 more sources

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