Results 11 to 20 of about 1,962,743 (342)
Restoration ecology: two-sex dynamics and cost minimization. [PDF]
PLoS ONE, 2013 We model a spatially detailed, two-sex population dynamics, to study the cost of ecological restoration. We assume that cost is proportional to the number of individuals introduced into a large habitat.
Ferenc Molnár +3 more
doaj +6 more sources
Scientific Reports, 2021 Comparison of COVID-19 trends in space and over time is essential to monitor the pandemic and to indirectly evaluate non-pharmacological policies aimed at reducing the burden of disease. Given the specific age- and sex- distribution of COVID-19 mortality,
Valentina Gallo +6 more
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Life history traits and reproductive performance of the caridean shrimp Lysmata boggessi, a heavily traded invertebrate in the marine aquarium industry [PDF]
PeerJ, 2020 The most intense commercial harvest of marine aquarium species in North America occurs in the coastal waters surrounding Florida, yet very often little information exists on the life histories, population dynamics, or reproductive characteristics of ...
Michael D. Dickson +2 more
doaj +2 more sources
Вестник археологии, антропологии и этнографии, 2018 This article deals with changes in the language situation among the Nenets of Yamalo-Nenets Autonomous District based on published and unpublished data of the All-USSR and All-Russian Censuses in the second half of the 20th and the first decade of the ...
Volzhanina E.A.
doaj +1 more source
Altitudinal variation of the sex ratio and segregation by gender in the dioecious plant Mercurialis perennis L. (Euphorbiaceae) in Serbia [PDF]
Archives of Biological Sciences, 2007 The sex ratio is one of the most intriguing problems for evolutionary biologists. Spatio-temporal variation of male frequency in sexually dimorphic plant species, spatial segregation, and differential investment of the two sex functions have attracted ...
Cvetković Dragana, Jovanović V.
doaj +1 more source
Strategies for the evolution of sex [PDF]
, 2001 We find that the hypothesis made by Jan, Stauffer and Moseley [Theory in Biosc., 119, 166 (2000)] for the evolution of sex, namely a strategy devised to escape extinction due to too many deleterious mutations, is sufficient but not necessary for the ...
A. Bernardes +28 more
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Education and employment structure of the Yamal Nenets in the 20th — early 21st century
Вестник археологии, антропологии и этнографии, 2018 This article analyses data collected by the 1959 All-Union Census and the 2002 and 2010 All-Russian Censuses on the education and employment levels of the Nenets having lived and living in the Yamalo-Nenets Autonomous District, the Northern part of ...
Volzhanina E.A.
doaj +1 more source
Gomal Journal of Medical Sciences, 2021 Background: Tuberculosis (TB) is the 10th leading cause of death globally and is leading cause of death from a single infectious disease. The objectives of our study were to determine the distribution of drug sensitive tuberculosis (DS-TB) by sex, age ...
Abshar Khan +7 more
doaj +1 more source
Variations in the sex and age distributions of brush‐tailed possum populations [PDF]
New Zealand Journal of Zoology, 1984 Abstract The sex ratios of 4 geographically separated populations of brush‐tailed possums sampled by trapping or poisoning with cyanide paste were generally imbalanced towards males. An examination of the absolute sex ratio in 1 population indicated such biases may not be real.
J. D. Coleman, W. Q. Green
openaire +1 more source
Sex-Related Color Patterns in Elytral Vittae of \u3ci\u3eDiabrotica Virgifera Virgifera\u3c/i\u3e (Coleoptera: Chrysomelidae) [PDF]
, 2017 We evaluated the color patterns of elytral vittae by sex in adults of Diabrotica virgifera virgifera leConte. Our study examined \u3e1000 beetles taken from a field population, a laboratory colony, and a reference collection containing 712 specimens from
Hammack, Leslie, Hesler, Louis S
core +2 more sources