Phylogenetic limiting similarity and competitive exclusion
... edness of coexisting species less than expected by chance), a pattern often observed in natural communities (Cavender-Bares et al. 2009; Vamosi et al. 2009). Recent evidence, however, suggests that a suite of mechanisms other than competition can also cause communities to be phylogenetically overdis ...
... edness of coexisting species less than expected by chance), a pattern often observed in natural communities (Cavender-Bares et al. 2009; Vamosi et al. 2009). Recent evidence, however, suggests that a suite of mechanisms other than competition can also cause communities to be phylogenetically overdis ...
Habitat-Predator Association and Avoidance in Rainbowfish
... The ways in which an animal’s ecology influences the orientation skills of individuals have only recently begun to receive the level of attention they deserve (e.g. Giraldeau 1997; Dukas 1998). A number of navigation techniques may be employed depending on the past history of the animal and the natu ...
... The ways in which an animal’s ecology influences the orientation skills of individuals have only recently begun to receive the level of attention they deserve (e.g. Giraldeau 1997; Dukas 1998). A number of navigation techniques may be employed depending on the past history of the animal and the natu ...
Caddisfly diapause aggregations facilitate benthic invertebrate colonization
... richness. Data sets were analysed first using a , the results of which were highly significant (Table 2). We therefore proceeded with individual s for log10 (total abundance), species density and species richness. For the community-level response variables, a randomized-block one-way ...
... richness. Data sets were analysed first using a , the results of which were highly significant (Table 2). We therefore proceeded with individual s for log10 (total abundance), species density and species richness. For the community-level response variables, a randomized-block one-way ...
Incorporating positive interactions in aquatic restoration and
... al. 2005). Foundation species are particularly important Including population-level interactions for restoration because they can facilitate the colonization of other species by maintaining or providing key Density dependence in population dynamics is typically habitat or promoting community-level r ...
... al. 2005). Foundation species are particularly important Including population-level interactions for restoration because they can facilitate the colonization of other species by maintaining or providing key Density dependence in population dynamics is typically habitat or promoting community-level r ...
Page ‹#› Human population growth
... Which population is likely growing more rapidly? Cambodia, 1998 ...
... Which population is likely growing more rapidly? Cambodia, 1998 ...
The impact of nonlinear functional responses on the long
... function gij ðtÞ is the functional response, i.e. the rate at which an individual of species i feeds on species j; it depends on the population sizes, and its analytical form will be specified below. The constant l is the ecological efficiency at which consumed prey are converted into predator offspri ...
... function gij ðtÞ is the functional response, i.e. the rate at which an individual of species i feeds on species j; it depends on the population sizes, and its analytical form will be specified below. The constant l is the ecological efficiency at which consumed prey are converted into predator offspri ...
Positive - Bertness Lab
... al. 2005). Foundation species are particularly important Including population-level interactions for restoration because they can facilitate the colonization of other species by maintaining or providing key Density dependence in population dynamics is typically habitat or promoting community-level r ...
... al. 2005). Foundation species are particularly important Including population-level interactions for restoration because they can facilitate the colonization of other species by maintaining or providing key Density dependence in population dynamics is typically habitat or promoting community-level r ...
Differential expression of Tbx4 and Tbx5 in Zebrafish fin buds
... In here we report the identi®cation of two new members of the T-box gene family, zf-tbx5 and zf-tbx4, from the Zebra®sh, Danio rerio. The amino acid sequences within the T-box domain share high homology with the mouse, chick, and newt orthologs. Whole mount in situ hybridization revealed speci®c exp ...
... In here we report the identi®cation of two new members of the T-box gene family, zf-tbx5 and zf-tbx4, from the Zebra®sh, Danio rerio. The amino acid sequences within the T-box domain share high homology with the mouse, chick, and newt orthologs. Whole mount in situ hybridization revealed speci®c exp ...
Reinventing mutualism between humans and wild fauna: insights
... relations has virtually disappeared worldwide. Here, we describe the mutualistic relationship between humans and the globally threatened Egyptian vulture in Socotra, Yemen. By analyzing both the spatial distribution of vultures and the amount of human byproducts they consume, we show that human acti ...
... relations has virtually disappeared worldwide. Here, we describe the mutualistic relationship between humans and the globally threatened Egyptian vulture in Socotra, Yemen. By analyzing both the spatial distribution of vultures and the amount of human byproducts they consume, we show that human acti ...
ORIGINAL ARTICLE Declines in both redundant and trace species
... Pacific where the relatively large-mouthed Ptychocylis obtusa dominated. In each assemblage, the dominant species accounted for 45–86% of the cells encountered (Table 2). Overall, of the 31 species found most (25) were not widely distributed but rather found in only in one or two of the systems samp ...
... Pacific where the relatively large-mouthed Ptychocylis obtusa dominated. In each assemblage, the dominant species accounted for 45–86% of the cells encountered (Table 2). Overall, of the 31 species found most (25) were not widely distributed but rather found in only in one or two of the systems samp ...
INTRODUCTION
... Extend your thinking: In North America, many top predators, such as wolves, have been driven nearly to extinction. What effect do you think this has on their main prey, deer? Write your answer on a separate sheet, and/or discuss with your classmates and teacher. ...
... Extend your thinking: In North America, many top predators, such as wolves, have been driven nearly to extinction. What effect do you think this has on their main prey, deer? Write your answer on a separate sheet, and/or discuss with your classmates and teacher. ...
PHENOLOGICAL PATTERNS OF TERRESTRIAL PLANTS By
... The term phenology is derived from the Greek word phaino meaning to show or to appear. Hence, phenology is defined as the study of the seasonal timing of life cycle events. For plants the seasonal timing of such events can be critical to survival and reproduction. In agriculture the most common fail ...
... The term phenology is derived from the Greek word phaino meaning to show or to appear. Hence, phenology is defined as the study of the seasonal timing of life cycle events. For plants the seasonal timing of such events can be critical to survival and reproduction. In agriculture the most common fail ...
White-margined_beardtongue
... Andre (2010) also has observed and documented frequent localized extinctions of cohorts with rapid establishment of plants in previously unoccupied areas. He concludes that plants at the California occurrence behave like biennials or short-lived perennials, relying upon the maintenance of a viable s ...
... Andre (2010) also has observed and documented frequent localized extinctions of cohorts with rapid establishment of plants in previously unoccupied areas. He concludes that plants at the California occurrence behave like biennials or short-lived perennials, relying upon the maintenance of a viable s ...
Review of harvest incentives to control invasive species
... benefit on the ecosystem. These benefits may include a reduction in negative impacts from a reduced average size, although the extent of such benefits will depend on the impacts caused by other members of the population. Challenges associated with harvesting also extend to plants as collection techn ...
... benefit on the ecosystem. These benefits may include a reduction in negative impacts from a reduced average size, although the extent of such benefits will depend on the impacts caused by other members of the population. Challenges associated with harvesting also extend to plants as collection techn ...
BIOGEOGRAPHY 8
... maps of species if their ranges are constantly changing size and shape. If we wait long enough, all distributional maps will change, if only because all species have finite lifetimes. However, spatial patterns may be stable on time scales that are relevant to ecological or evolutionary mechanisms. I ...
... maps of species if their ranges are constantly changing size and shape. If we wait long enough, all distributional maps will change, if only because all species have finite lifetimes. However, spatial patterns may be stable on time scales that are relevant to ecological or evolutionary mechanisms. I ...
Fates beyond traits - Redpath Museum
... of a few special cases? To address these questions, we reverse the traditional chain of causality. Instead of considering trait change as the consequence of ecological change, we consider it as the driver. This perspective is reflective of the emerging paradigm that eco-evolutionary dynamics are inh ...
... of a few special cases? To address these questions, we reverse the traditional chain of causality. Instead of considering trait change as the consequence of ecological change, we consider it as the driver. This perspective is reflective of the emerging paradigm that eco-evolutionary dynamics are inh ...
Ecological Impacts of Alien Species
... documented impact history (figure 2; Kulhanek et al. 2011). Such studies can also contribute to the justification for labeling a species as a potential invasive or as causing a potential impact elsewhere as an often-suggested predictor of invasion success and impact, respectively, in the new range ...
... documented impact history (figure 2; Kulhanek et al. 2011). Such studies can also contribute to the justification for labeling a species as a potential invasive or as causing a potential impact elsewhere as an often-suggested predictor of invasion success and impact, respectively, in the new range ...
Biodiversity, productivity and stability in real food webs
... temporal variability of an assemblage, such as measured by the coefficient of variation in aggregate biomass. Experimental evidence for a positive effect of species richness on community stability comes from kelp beds [24], aquatic microbial microcosms [25 – 26], grasslands [22], mycorhizal fungi [2 ...
... temporal variability of an assemblage, such as measured by the coefficient of variation in aggregate biomass. Experimental evidence for a positive effect of species richness on community stability comes from kelp beds [24], aquatic microbial microcosms [25 – 26], grasslands [22], mycorhizal fungi [2 ...
Name_______________ ______ Period _____ Natural Selection
... 10.) What controls the phenotype for color in peppered moths? ___________________________________ 11.) What caused the first dark colored peppered moth? _________________________________________ 12.) Why were the number of dark colored peppered moths increasing in populations that were located next ...
... 10.) What controls the phenotype for color in peppered moths? ___________________________________ 11.) What caused the first dark colored peppered moth? _________________________________________ 12.) Why were the number of dark colored peppered moths increasing in populations that were located next ...
- Wiley Online Library
... populations. Recently, we showed that experimental fungicide applications reduced infection of the invasive grass Microstegium vimineum by the fungal pathogen Bipolaris (Fig. 1a), while simultaneously increasing Microstegium biomass by up to 50% and seed production by up to 200% in natural populatio ...
... populations. Recently, we showed that experimental fungicide applications reduced infection of the invasive grass Microstegium vimineum by the fungal pathogen Bipolaris (Fig. 1a), while simultaneously increasing Microstegium biomass by up to 50% and seed production by up to 200% in natural populatio ...
Quorum sensing by peptide pheromones and two-component
... culture supernatants was shown to activate transcription from the agr -operon promoter (P2) as well as from the divergent RNAIII promoter (P3) in an agrC - and agrA dependent manner (Ji et al ., 1995). The octapeptide is derived from an internal fragment of the agrD coding sequence (Fig. 2) and is t ...
... culture supernatants was shown to activate transcription from the agr -operon promoter (P2) as well as from the divergent RNAIII promoter (P3) in an agrC - and agrA dependent manner (Ji et al ., 1995). The octapeptide is derived from an internal fragment of the agrD coding sequence (Fig. 2) and is t ...
Workshop II: Fox Ecology, Stockholm, August 17 2015
... Exploitation Ecosystem Hypothesis the number of trophic levels increases with primary productivity. Therefore, primary productivity, and hence the number of trophic levels, could be expected to affect animal interactions. Primary productivity is related to the amount of available sunlight but could ...
... Exploitation Ecosystem Hypothesis the number of trophic levels increases with primary productivity. Therefore, primary productivity, and hence the number of trophic levels, could be expected to affect animal interactions. Primary productivity is related to the amount of available sunlight but could ...
Ecology Name: Date: 1. The diagram below illustrates the
... with deeper root systems could live there and shade out the earlier plants. OR ecological succession The soil depth will increase and trees will be present. OR The soil will change in composition and the plant species will change. The species could become extinct. OR The species does not evolve. OR ...
... with deeper root systems could live there and shade out the earlier plants. OR ecological succession The soil depth will increase and trees will be present. OR The soil will change in composition and the plant species will change. The species could become extinct. OR The species does not evolve. OR ...
Mechanisms of Rapid Adaptation to Environmental Stressors in
... Forecasting the effects of the human stressors under a global change scenario upon the biological diversity and ecosystems is the aim of the predictive ecology [28]. Within the predictive ecology, ecotoxicology is the field of knowledge that study the relationships between stressors substances or pr ...
... Forecasting the effects of the human stressors under a global change scenario upon the biological diversity and ecosystems is the aim of the predictive ecology [28]. Within the predictive ecology, ecotoxicology is the field of knowledge that study the relationships between stressors substances or pr ...
Long-footed Potoroo
... maintain exclusive home ranges, although the home range of juveniles is typically within the parental home range (NPWS 2002). It is thought that in NSW home ranges may be larger than in Victoria, due to lower resource availability in NSW compared with Victorian sites, although this has not been quan ...
... maintain exclusive home ranges, although the home range of juveniles is typically within the parental home range (NPWS 2002). It is thought that in NSW home ranges may be larger than in Victoria, due to lower resource availability in NSW compared with Victorian sites, although this has not been quan ...