Results 41 to 50 of about 12,073,243 (386)

Effect of Farming and Rainfall on the Species Diversity, Population Density and Community Structure of Birds Breeding in the Kalahari Woodland, NE Namibia

open access: yesZoodiversity, 2021
The line transect method has been employed to assess species diversity, population densities and community structure of birds breeding in a mosaic of Kalahari Woodland and farmland, NE Namibia.
G. Kopij
doaj   +1 more source

Pushed beyond the brink: Allee effects, environmental stochasticity, and extinction [PDF]

open access: yes, 2014
A demographic Allee effect occurs when individual fitness, at low densities, increases with population density. Coupled with environmental fluctuations in demographic rates, Allee effects can have subtle effects on population persistence and extinction ...
Roth, Gregory, Schreiber, Sebastian
core   +4 more sources

A Population Development and Density Analysis of the Neighborhoods of Polatlı (Ankara)

open access: yesAnkara Araştırmaları Dergisi
This study aims to analyze the relative development of the population of the District of Polatlı during the Republic Period. It also considers how change occurred in the neighborhood according to the spatial distribution of the population.
Bayram Tuncer, Tahir Tuncer
doaj   +1 more source

Faktor-Faktor yang Mempengaruhi Kemiskinan dan Pengangguran di Kota Jambi [PDF]

open access: yesJurnal Perspektif Pembiayaan dan Pembangunan Daerah, 2013
The purpose of this study was : (1) To analyze the factors that affect poverty in the City of Edinburgh during the period 2000-2011, (2) To analyze the factors causing high unemployment in the city of Jambi during the period 2000-2011, and (3) To analyze
Harlik, Amri Amir, Hardiani
doaj  

Effect of population density on the development of Mesovelia furcata (Mesoveliidae), Microvelia reticulata and Velia caprai (Veliidae) (Heteroptera: Gerromorpha)

open access: yesEuropean Journal of Entomology, 2010
Population density during nymphal development affects body size, developmental rate and wing polymorphism in semiaquatic bugs. Nymphs from crowded habitats grow faster and thus gain an advantage in the later stadia.
Tomáš DITRICH, Miroslav PAPÁČEK
doaj   +1 more source

Rural to Urban Population Density Scaling of Crime and Property Transactions in English and Welsh Parliamentary Constituencies [PDF]

open access: yes, 2016
Urban population scaling of resource use, creativity metrics, and human behaviors has been widely studied. These studies have not looked in detail at the full range of human environments which represent a continuum from the most rural to heavily urban ...
Hanley, QS, Lewis, D, Ribeiro, HV
core   +4 more sources

Continuity of built-up areas as a criterion for delimitation of urban settlements [PDF]

open access: yesGeodetski Vestnik, 2014
In this paper, we first discuss importance and need for studying the methodology of capturing actual land use. The term ‘urban land use’ is defined; the new term is introduced to replace the currently used terms of ‘construction land’ and/or ‘built-up ...
Samo Drobne   +3 more
doaj   +1 more source

Population density and suicide in Scotland [PDF]

open access: yesRural and Remote Health, 2007
Suicide rates among men have increased in Scotland while falling in neighbouring countries. A national suicide prevention strategy has been produced. Previous work found that some rural areas of Scotland had higher than average rates of male suicide and undetermined deaths.
Cameron Stark   +4 more
openaire   +3 more sources

Estimating State-Level Matching Efficiencies in the Indian Labor Market

open access: yesEast Asian Economic Review, 2020
We analyze state-level matching efficiencies in the Indian labor market using stochastic frontier analysis. The key contribution of this research is the estimation of matching efficiencies at the state level because these can be used for a state-level
Woong Lee, Soon-Cheul Lee
doaj   +1 more source

Global drivers of population density in terrestrial vertebrates

open access: yesGlobal Ecology and Biogeography, 2018
Aim: Although the effects of life history traits on population density have been investigated widely, how spatial environmental variation influences population density for a large range of organisms and at a broad spatial scale is poorly known.
L. Santini   +6 more
semanticscholar   +1 more source

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