Results 111 to 120 of about 10,131 (259)

Population genetics of Polyphemus pediculus, (Cladocera: Polyphemidae) [PDF]

open access: yesHeredity, 1989
Population genetic studies of cyclically parthenogenetic organisms have focussed on members of the freshwater cladoceran crustaceans, and mainly on those populations which inhabit intermittent or permanent ponds. Little is known of the genetic structure of large-lake populations. The genetic structure of populations of the predatory freshwater littoral-
openaire   +3 more sources

Contribution of epilithic diatoms to benthic−pelagic coupling in a temperate river [PDF]

open access: yes, 2013
Water residence time in the middle course of rivers is often too short to allow substantial phytoplankton development, and primary production is essentially provided by benthic phototrophic biofilms.
Buffan-Dubau, Evelyne   +7 more
core   +4 more sources

The prevalence of Pediculus humanus capitis among primary school students in Bang Phli district,Samut Prakan province, Thailand

open access: yesJournal of Health Science and Medical Research (JHSMR), 2004
Pediculosis, the infestation with Pediculus humanus, is found wherever personal or general hygiene is at a low level. A prevalence survey of Pediculus humanus among elementary school students aged 6-10 years in Bang Phli District, Samut Prakan province ...
S Wannapinyosheep   +3 more
doaj  

Lateglacial and Holocene climate and environmental change in the northeastern Mediterranean region: Diatom evidence from Lake Dojran (Republic of Macedonia/Greece) [PDF]

open access: yes, 2014
The juncture between the west-east and north-south contrasting Holocene climatic domains across the Mediterranean is complex and poorly understood. Diatom analysis of Lake Dojran (Republic of Macedonia/Greece) provides a new insight into lake levels and ...
Abrantes   +144 more
core   +1 more source

A Contribution to the Bionomics of Pediculus humanus (Vestimenti) and Pediculus capitis

open access: yesParasitology, 1917
General comparative note on the two species.Pediculus humanus (vestimenti) is a larger, more robust and less active insect than P. capitis,—the ♀♀ having a relatively greater egg-carrying capacity than those of the head louse. The eggs are larger and the number laid (under the conditions of these experiments) is greater, while the habits associated ...
openaire   +2 more sources

Pair of lice lost or parasites regained: the evolutionary history of anthropoid primate lice

open access: yesBMC Biology, 2007
Background The parasitic sucking lice of primates are known to have undergone at least 25 million years of coevolution with their hosts. For example, chimpanzee lice and human head/body lice last shared a common ancestor roughly six million years ago, a ...
Allen Julie M   +3 more
doaj   +1 more source

On the nutrition of the predatory cladocerans Leptodora and Bythotrephes. [Translation of: Byulleten' Institute Biologii Vodokhranilishch 6, pp. 21-22, 1960] [PDF]

open access: yes, 1960
Results of the investigation on certain problems of the nutrition of Leptodora and Bythotrephes in Rybinsk Reservoir (Russia) are reviewed. To clarify the composition of the food of Leptodora and Bythotrephes in this period, experiments were provided on ...
Mordukhai-Boltovskaya, E.D.
core  

Using human head lice to unravel neglect and cause of death [PDF]

open access: yes, 2018
Despite the common association of human lice with abandoned or neglected people, no procedure to assess pediculosis, aimed to detect signs of neglect, exists.
Beagley   +11 more
core   +1 more source

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