Fecal counts of lungworm larvae and reproductive effort in bighorn sheep, Ovis canadensis
Article Abstract:
An investigation on whether individual differences in fecal output of lungworm larvae (LPG) in bighorn sheep, Ovis canadensis are related to reproductive effort and to individual characteristics such as body mass and age is presented. Results reveal that while age or mass had no affect on LPG for either sex, females that weaned a lamb had higher counts than females that did not produce a lamb.
Publication Name: Oikos
Subject: Environmental issues
ISSN: 0030-1299
Year: 2005
User Contributions:
Comment about this article or add new information about this topic:
Components of breeding performance in two competing species: Habitat heterogeneity, individual quality and density-dependence
Article Abstract:
The relative contribution of habitat heterogeneity and bird quality on the productivity of two species is accessed using two long-term monitored populations. Productivity varied among territories and average annual productivity is negatively related to its variability in both species and populations, thus giving some support to the habitat heterogeneity hypothesis.
Publication Name: Oikos
Subject: Environmental issues
ISSN: 0030-1299
Year: 2006
User Contributions:
Comment about this article or add new information about this topic:
- Abstracts: Species evenness and productivity in experimental plant communities. Species richness, temporal variability and resistance of biomass production in a Mediterranean grassland
- Abstracts: Community structure and positive interactions in constraining environments. Changes in plant interactions along a gradient of environmental stress
- Abstracts: Environmental effects of one thousand years of copper production at Falun, central Sweden. Quantification of anthropogenic threats to lakes in a lowland country of central Sweden
- Abstracts: Causes and consequences of individual variation in territory size in the American red squirrel. Density dependent population growth of the two-spotted spider mite, Tetranychus urticae, on the host plant, Leonurus cardiaca
- Abstracts: Foresting land use a change and its environment impact at a watershed scale. Carbon dynamics and land-use choices: building a regional-scale multidisciplinary model