Time course of plant diversity effects on
... Centaurea jacea performance measurements We recorded growth-related (biomass, height and number of leaves) and reproduction-related traits (number of shoots and number and width of flower heads) of Centaurea and tested the effect of insecticide by estimating herbivory. Harvest of the transplants and ...
... Centaurea jacea performance measurements We recorded growth-related (biomass, height and number of leaves) and reproduction-related traits (number of shoots and number and width of flower heads) of Centaurea and tested the effect of insecticide by estimating herbivory. Harvest of the transplants and ...
Evidence for local adaptation in birds and
... among populations occurring in close proximity to each other, or among populations of highly mobile organisms. Studies in a diversity of taxa, however, challenged this idea that local adaptations could only evolve under conditions of very low gene flow. Studies of plants illustrated that local adapt ...
... among populations occurring in close proximity to each other, or among populations of highly mobile organisms. Studies in a diversity of taxa, however, challenged this idea that local adaptations could only evolve under conditions of very low gene flow. Studies of plants illustrated that local adapt ...
Declining amphibian populations and possible ecological
... Cane toad tadpoles, bu reducing the size of female mosquitoes, may reduce the insects’ disease-carrying potential as smaller mosquitoes have lower fitness and are less likely to transmit significant disease to humans. Although data are rare it seems clear that tadpoles play an important role in acting ...
... Cane toad tadpoles, bu reducing the size of female mosquitoes, may reduce the insects’ disease-carrying potential as smaller mosquitoes have lower fitness and are less likely to transmit significant disease to humans. Although data are rare it seems clear that tadpoles play an important role in acting ...
review - Jordi Bascompte
... how the tremendous diversity of species that we see in nature persists despite differences between species in competitive ability1,2. However, empirically evaluating the interactions between a large set of competitors is logistically challenging, and many of the mathematical tools for analysing the ...
... how the tremendous diversity of species that we see in nature persists despite differences between species in competitive ability1,2. However, empirically evaluating the interactions between a large set of competitors is logistically challenging, and many of the mathematical tools for analysing the ...
Trait selection during food web assembly
... considered extinct. A step consists of a successful invasion, when the invader persists while dynamics are run until the equilibrium. An assembly sequence consists of successive invasions and stops either if a trait no longer varies (less than 5 % among species in the food web), if the invader does ...
... considered extinct. A step consists of a successful invasion, when the invader persists while dynamics are run until the equilibrium. An assembly sequence consists of successive invasions and stops either if a trait no longer varies (less than 5 % among species in the food web), if the invader does ...
Ontogenetic trait variation influences tree community assembly
... Abiotic filtering has been found to increase species similarity through abiotic constraints in more stressful environments, resulting in low functional diversity among coexisting species (Weiher and Keddy 1995, Weiher et al. 2011). Biotic filtering, on the other hand, has been found to generate more ...
... Abiotic filtering has been found to increase species similarity through abiotic constraints in more stressful environments, resulting in low functional diversity among coexisting species (Weiher and Keddy 1995, Weiher et al. 2011). Biotic filtering, on the other hand, has been found to generate more ...
Assessing biodiversity in arable farmland by means of indicators: an
... diversity (genetic structure, abundance vs level of expression of functional microbial genes). The development of multiparametric indices integrating these data is now needed to better understand the relationships between soil microbial diversity and function. At higher scale, only one indicator is ...
... diversity (genetic structure, abundance vs level of expression of functional microbial genes). The development of multiparametric indices integrating these data is now needed to better understand the relationships between soil microbial diversity and function. At higher scale, only one indicator is ...
natural selection favors rapid reproductive
... seed numbers would indicate that quick flowering is adaptive in a given environment. Such work can greatly enhance traditional measures of phenological variation along high altitude snowmelt gradients by directly testing hypotheses about the adaptive significance of flowering quickly or slowly in di ...
... seed numbers would indicate that quick flowering is adaptive in a given environment. Such work can greatly enhance traditional measures of phenological variation along high altitude snowmelt gradients by directly testing hypotheses about the adaptive significance of flowering quickly or slowly in di ...
Molecular and Phylogenetic Characterization of Cytokine Genes
... College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523, USA Abstract: Bats (order Chiroptera) represent nearly one fourth of the approximately 5,000 known species of mammals, yet many aspects of their biology are poorly understood. Bats of certain s ...
... College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523, USA Abstract: Bats (order Chiroptera) represent nearly one fourth of the approximately 5,000 known species of mammals, yet many aspects of their biology are poorly understood. Bats of certain s ...
Alternative Dynamic Regimes and Trophic Control of Plant Succession
... Old field successional dynamics are ideally studied by following the chronological progression of species change at a specific location (Smith 1996). But, this requires long-term study because succession requires decades to play itself out completely. This limitation can be overcome by swapping spac ...
... Old field successional dynamics are ideally studied by following the chronological progression of species change at a specific location (Smith 1996). But, this requires long-term study because succession requires decades to play itself out completely. This limitation can be overcome by swapping spac ...
local vs. regional influences on local diversity in
... outcome of community assembly. For example, communities may become less invadable as the number (Case 1991) or connectance (Pimm 1989) of local species increases. The use of comparisons provides an alternative to experimentation in empirical studies of community saturation. An important limitation o ...
... outcome of community assembly. For example, communities may become less invadable as the number (Case 1991) or connectance (Pimm 1989) of local species increases. The use of comparisons provides an alternative to experimentation in empirical studies of community saturation. An important limitation o ...
Toward an integration of evolutionary biology and ecosystem science
... It is well established that the product of evolution by natural selection (e.g. species richness and trait variability) can affect ecosystem functions (Hillebrand & Matthiessen 2009; Reiss et al. 2009; Loreau 2010a), but much less is known about whether the process of phenotypic evolution is an impo ...
... It is well established that the product of evolution by natural selection (e.g. species richness and trait variability) can affect ecosystem functions (Hillebrand & Matthiessen 2009; Reiss et al. 2009; Loreau 2010a), but much less is known about whether the process of phenotypic evolution is an impo ...
avian reproduction in a mediterranean context
... Results and Conclusions: Avian breeding biology has been strongly influenced by the dominance in the literature of north temperate studies at least since David Lack. There is some evidence that studies of Mediterranean populations may bridge the life history gap between tropical and north temperate ...
... Results and Conclusions: Avian breeding biology has been strongly influenced by the dominance in the literature of north temperate studies at least since David Lack. There is some evidence that studies of Mediterranean populations may bridge the life history gap between tropical and north temperate ...
Full Program
... Our world is changing fast and in many ways. Whether through rapid evolution of antimicrobial resistance, changing population dynamics among our study species, or threats to biological diversity, our community makes extraordinary contributions to knowledge and, increasingly, to its application in pr ...
... Our world is changing fast and in many ways. Whether through rapid evolution of antimicrobial resistance, changing population dynamics among our study species, or threats to biological diversity, our community makes extraordinary contributions to knowledge and, increasingly, to its application in pr ...
PDF - Oxford Academic
... determined. Thus, cap addition sites and ATA boxes can only be inferred by homology with the 5' non-coding regions of other eukaryotic genes. Unfortunately, this comparison does not give an unambiguous answer. In both genes there are two potential cap addition sites. In the Lba gene these sites corr ...
... determined. Thus, cap addition sites and ATA boxes can only be inferred by homology with the 5' non-coding regions of other eukaryotic genes. Unfortunately, this comparison does not give an unambiguous answer. In both genes there are two potential cap addition sites. In the Lba gene these sites corr ...
A conceptual model for conservation planning
... identifying when and where human uses of the landscape may compromise ecological integrity of the overall landscape (Vedder, 2000). Thus, this approach builds on other species based approaches to landscape conservation such as the focal species approach (Lambeck, 1997), but it differs in not describ ...
... identifying when and where human uses of the landscape may compromise ecological integrity of the overall landscape (Vedder, 2000). Thus, this approach builds on other species based approaches to landscape conservation such as the focal species approach (Lambeck, 1997), but it differs in not describ ...
Chap.8 Competition and coexistence
... Fig. 8.19 Resource partitioning. Three species with similar, normal resource utilization curves utillization curves utilize a resource supply K. chap08 Competition and coexistence ...
... Fig. 8.19 Resource partitioning. Three species with similar, normal resource utilization curves utillization curves utilize a resource supply K. chap08 Competition and coexistence ...
Seedling survival and seed size
... In addition to cross-species analyses, we performed phylogenetic regressions (Grafen 1989) on the relationships between log10 seed mass and seed or seedling survival. The phylogenetic trees constructed (Appendices S1 and S2 in Supplementary Material) follow APGII (2003) to order level for angiosperm ...
... In addition to cross-species analyses, we performed phylogenetic regressions (Grafen 1989) on the relationships between log10 seed mass and seed or seedling survival. The phylogenetic trees constructed (Appendices S1 and S2 in Supplementary Material) follow APGII (2003) to order level for angiosperm ...
Effects of landscape context on herbivory and parasitism at different
... as keystone species in ecosystems (LaSalle 1993). Their population dynamics in agricultural landscapes have received much attention in the last decades (Hawkins 1994, Hawkins and Cornell 1994, Hawkins et al. 1999, Hochberg and Ives 2000). The efficiency of parasitoids and other natural enemies of cr ...
... as keystone species in ecosystems (LaSalle 1993). Their population dynamics in agricultural landscapes have received much attention in the last decades (Hawkins 1994, Hawkins and Cornell 1994, Hawkins et al. 1999, Hochberg and Ives 2000). The efficiency of parasitoids and other natural enemies of cr ...
PDF
... With the decreased total mean resource rent, the variation of rent also decreased. This was also seen in the variation of mean harvest levels, which decreased for most sized protected areas. This hedge effect was lessened with increased dispersal. With increased dispersal (as g increases), the reli ...
... With the decreased total mean resource rent, the variation of rent also decreased. This was also seen in the variation of mean harvest levels, which decreased for most sized protected areas. This hedge effect was lessened with increased dispersal. With increased dispersal (as g increases), the reli ...
Interspecific competition in natural plant
... plants (Aerts and Chapin, 1999). However, amino acid uptake has been reported for many species, independent of the presence or form of mycorrhizal infection. For example, Näsholm et al. (1998) have shown that Deschampsia flexuosa, growing in a boreal forest, is capable of utilizing amino nitrogen. ...
... plants (Aerts and Chapin, 1999). However, amino acid uptake has been reported for many species, independent of the presence or form of mycorrhizal infection. For example, Näsholm et al. (1998) have shown that Deschampsia flexuosa, growing in a boreal forest, is capable of utilizing amino nitrogen. ...
Effects of phytopathogens on plant community dynamics: a review
... vertically via mother plants[3]. Some pathogens are specific for certain plant species, while others ...
... vertically via mother plants[3]. Some pathogens are specific for certain plant species, while others ...