Ecological Correlates of Green Turtle (Chelonia mydas)
... Algae were identified and their abundance estimated from the 10 photographs within each transect. Algae were classified as one of three types (green algae or Chlorophyta, brown algae or Phaeophyta, red algae or Rhodophyta) and one functional group (turf algae; Littler, Littler and Taylor, 1983). The ...
... Algae were identified and their abundance estimated from the 10 photographs within each transect. Algae were classified as one of three types (green algae or Chlorophyta, brown algae or Phaeophyta, red algae or Rhodophyta) and one functional group (turf algae; Littler, Littler and Taylor, 1983). The ...
The merging of community ecology and phylogenetic
... et al. 2007). One hypothesis is that competition and other density-dependent interactions are most predictably intense among close relatives. Hence if competition drives ecological character displacement or competitive exclusion, the consequences for phylogenetic structure should be observable withi ...
... et al. 2007). One hypothesis is that competition and other density-dependent interactions are most predictably intense among close relatives. Hence if competition drives ecological character displacement or competitive exclusion, the consequences for phylogenetic structure should be observable withi ...
Impacts of Warming on the Structure and Functioning of Aquatic
... organisation (Moya-Larano et al., 2012). Metabolism is also determined by individual body mass, which is a critical determinant of other key organismal attributes, such as trophic position in the food web (Arim et al., 2011; Gilljam et al., 2011; Jonsson et al., 2005; Jacob et al., 2011; Layer et al ...
... organisation (Moya-Larano et al., 2012). Metabolism is also determined by individual body mass, which is a critical determinant of other key organismal attributes, such as trophic position in the food web (Arim et al., 2011; Gilljam et al., 2011; Jonsson et al., 2005; Jacob et al., 2011; Layer et al ...
7. Annex 2 – Review of Theoretical Community Ecology
... biodiversity objectives or identify appropriate measures to achieve these. In order to address questions regarding the impact of fishing on marine biodiversity, we need to apply biodiversity indicators. However, biodiversity is a far more complex concept than fish length, or vulnerable species abund ...
... biodiversity objectives or identify appropriate measures to achieve these. In order to address questions regarding the impact of fishing on marine biodiversity, we need to apply biodiversity indicators. However, biodiversity is a far more complex concept than fish length, or vulnerable species abund ...
Effects of Food Type, Habitat, and Fish Predation on the Relative
... than in 1996 and we modified our sampling methodology. A 1 m2 quadrat was randomly placed on the substrate and four samples from each quadrat were taken using the bucket sieve method described above. Samples from each quadrat were pooled. In 2001, we only collected samples from six randomly placed q ...
... than in 1996 and we modified our sampling methodology. A 1 m2 quadrat was randomly placed on the substrate and four samples from each quadrat were taken using the bucket sieve method described above. Samples from each quadrat were pooled. In 2001, we only collected samples from six randomly placed q ...
Taxonomic and functional approaches of trophic interactions
... time. Sometimes during the ascent, you will meet other climbers, arriving on routes next to you. These people are highly important, as they are able to completely change your point of view and give you cues to overcome a difficult move, or a small slippery hold that you don’t know how to use. This i ...
... time. Sometimes during the ascent, you will meet other climbers, arriving on routes next to you. These people are highly important, as they are able to completely change your point of view and give you cues to overcome a difficult move, or a small slippery hold that you don’t know how to use. This i ...
- Warwick WRAP
... [13, 18]. “Stability” is often used as a generic term for any measure of this characteristic, including for concepts such as robustness and resilience [21]. When the analysis regards the possibility that a small perturbation in population densities could amplify into runaway fluctuations, stability ...
... [13, 18]. “Stability” is often used as a generic term for any measure of this characteristic, including for concepts such as robustness and resilience [21]. When the analysis regards the possibility that a small perturbation in population densities could amplify into runaway fluctuations, stability ...
108790 No Species Text Q6 - Department of Environment, Water
... Healthy natural environments provide for South Australia’s cultural, social, economic and environmental wellbeing. Many of our vascular plant and vertebrate animal species are threatened with extinction. This situation exists even with the significant efforts of government, industry and community to ...
... Healthy natural environments provide for South Australia’s cultural, social, economic and environmental wellbeing. Many of our vascular plant and vertebrate animal species are threatened with extinction. This situation exists even with the significant efforts of government, industry and community to ...
Butterfly Insect Parasitoid Fauna
... habitats and thus at this point these data cannot be used to generalize even hypothetically about parasitoid-host systems under natural conditions. Despite this lack of basic ecological knowledge, there has been an increase in the use of non-native parasitoids as biological controls of pest insects ...
... habitats and thus at this point these data cannot be used to generalize even hypothetically about parasitoid-host systems under natural conditions. Despite this lack of basic ecological knowledge, there has been an increase in the use of non-native parasitoids as biological controls of pest insects ...
Biodiversity 2036 | May 2016
... impediment to productivity. Certainly, increased valuing and ‘mainstream’ acceptance of biodiversity and nature will facilitate Local Government to achieve improved conservation outcomes. In particular, this will engender more co-ordinated approaches with community and other tiers of government to ...
... impediment to productivity. Certainly, increased valuing and ‘mainstream’ acceptance of biodiversity and nature will facilitate Local Government to achieve improved conservation outcomes. In particular, this will engender more co-ordinated approaches with community and other tiers of government to ...
Models of Extinction
... of the Rhaetian stage at the end of the Triassic. In actual fact the late Triassic event killed only about half as many families as the end-Cretaceous. In order to minimize effects such as these, it has become common in studies of extinction to examine not only extinction rates (taxa becoming extinc ...
... of the Rhaetian stage at the end of the Triassic. In actual fact the late Triassic event killed only about half as many families as the end-Cretaceous. In order to minimize effects such as these, it has become common in studies of extinction to examine not only extinction rates (taxa becoming extinc ...
Models of Extinction: A Review
... of the Rhaetian stage at the end of the Triassic. In actual fact the late Triassic event killed only about half as many families as the end-Cretaceous. In order to minimize effects such as these, it has become common in studies of extinction to examine not only extinction rates (taxa becoming extinc ...
... of the Rhaetian stage at the end of the Triassic. In actual fact the late Triassic event killed only about half as many families as the end-Cretaceous. In order to minimize effects such as these, it has become common in studies of extinction to examine not only extinction rates (taxa becoming extinc ...
Arthropod community diversity and trophic structure
... vigorously shaking the branch for 15 s. This was repeated for a total of 10 branches per tree. Branches were selected randomly by both height and direction within the canopy (canopies were typically about 3 m tall); the samples from each tree were pooled, placed in sealed plastic bags, and stored in ...
... vigorously shaking the branch for 15 s. This was repeated for a total of 10 branches per tree. Branches were selected randomly by both height and direction within the canopy (canopies were typically about 3 m tall); the samples from each tree were pooled, placed in sealed plastic bags, and stored in ...
Waitakere City Biodiversity Report 2007
... Although only 20% of the forested area is unmodified by logging or farming, the Waitakere Ranges are botanically rich containing 20% of all New Zealand’s flowering plant species and 60% of all native fern species. Although the following statistics are drawn from a number of sources and subject to ch ...
... Although only 20% of the forested area is unmodified by logging or farming, the Waitakere Ranges are botanically rich containing 20% of all New Zealand’s flowering plant species and 60% of all native fern species. Although the following statistics are drawn from a number of sources and subject to ch ...
Aphids and their natural enemies are differently affected by habitat
... The effect of landscape complexity on aphids and on their natural enemies was analysed using mixed-effects models, in which we included landscape sector and field (nested within landscape sector) as random factors to account for the non-independent errors in our hierarchically nested designs. The eff ...
... The effect of landscape complexity on aphids and on their natural enemies was analysed using mixed-effects models, in which we included landscape sector and field (nested within landscape sector) as random factors to account for the non-independent errors in our hierarchically nested designs. The eff ...
How variation between individuals affects species coexistence
... competitive dominance in a way that follows from the ‘average fitness difference’ of Chesson (2000). To provide general, analytic support for our results, we develop small-variance approximations to describe the effects of variation for a range of different competition models (Appendix S1). We compa ...
... competitive dominance in a way that follows from the ‘average fitness difference’ of Chesson (2000). To provide general, analytic support for our results, we develop small-variance approximations to describe the effects of variation for a range of different competition models (Appendix S1). We compa ...
Full Text - Cedar Creek Ecosystem Science Reserve
... unable to sustain all functions at even a 1% threshold, indicated by the intercepts of the fitted lines from a GLMM failing to reach the value of 12 (Fig. 2a). This trend suggests that there were tradeoffs among many functions in species monocultures. The same model predicted that the most diverse mi ...
... unable to sustain all functions at even a 1% threshold, indicated by the intercepts of the fitted lines from a GLMM failing to reach the value of 12 (Fig. 2a). This trend suggests that there were tradeoffs among many functions in species monocultures. The same model predicted that the most diverse mi ...
Protists have divergent effects on bacterial diversity along a
... taxa are removed preferentially. Assessing the preferences of protists feeding on diverse bacterial communities containing hundreds or thousands of taxa is problematic, especially as many of the bacteria cannot be isolated and cultured. Feeding trials with individual bacterial strains are therefore ...
... taxa are removed preferentially. Assessing the preferences of protists feeding on diverse bacterial communities containing hundreds or thousands of taxa is problematic, especially as many of the bacteria cannot be isolated and cultured. Feeding trials with individual bacterial strains are therefore ...
Links between Biodiversity and Ecosystem
... stakeholders, it is difficult to provide a definition that both is precise and at the same time encompasses all the different meanings attributed to it. For the sake of convenience we suggest to use in OpenNESS the definition given by the CBD which is: "Biological diversity" means the variability am ...
... stakeholders, it is difficult to provide a definition that both is precise and at the same time encompasses all the different meanings attributed to it. For the sake of convenience we suggest to use in OpenNESS the definition given by the CBD which is: "Biological diversity" means the variability am ...
Biodiversity loss and its impact on humanity
... that initial losses of biodiversity in diverse ecosystems have relatively small impacts on ecosystem functions, but increasing losses lead to accelerating rates of change12,25,31(Fig. 1). We do not yet have quantitative estimates of the level of biodiversity at which change in ecosystem functions be ...
... that initial losses of biodiversity in diverse ecosystems have relatively small impacts on ecosystem functions, but increasing losses lead to accelerating rates of change12,25,31(Fig. 1). We do not yet have quantitative estimates of the level of biodiversity at which change in ecosystem functions be ...
Here - American Society of Mammalogists
... immune pressures at the molecular level. To accomplish this, I utilized a comparative analysis that leverages genome-wide transcript sequences from social-solitary species pairs along distinct mammalian lineages, each separated by 75-95 million years of evolution. By inferring ancestral sequence sta ...
... immune pressures at the molecular level. To accomplish this, I utilized a comparative analysis that leverages genome-wide transcript sequences from social-solitary species pairs along distinct mammalian lineages, each separated by 75-95 million years of evolution. By inferring ancestral sequence sta ...
article - Aquatic Invasions
... (PERMANOVA) was used to compare means among the experimental factors for the variables: total number m-2 of oysters, species proportions, and oyster size (shell length, flesh weight and upper valve area) with 9999 permutations, based on Euclidean distance measures, using PRIMER 6+ software (PRIMER-E ...
... (PERMANOVA) was used to compare means among the experimental factors for the variables: total number m-2 of oysters, species proportions, and oyster size (shell length, flesh weight and upper valve area) with 9999 permutations, based on Euclidean distance measures, using PRIMER 6+ software (PRIMER-E ...
spillover and species interactions across habitat edges between
... the community-wide interactions between lepidopteran herbivores and their parasitoids, as mediated by parasitoid spillover between habitats. The first and overarching objective was to determine whether herbivore productivity drives asymmetrical spillover of predators and parasitoids, primarily from ...
... the community-wide interactions between lepidopteran herbivores and their parasitoids, as mediated by parasitoid spillover between habitats. The first and overarching objective was to determine whether herbivore productivity drives asymmetrical spillover of predators and parasitoids, primarily from ...
Biodiversity and ecosystem services: does species diversity
... activities to a position of nature in the centre of society, where ecosystems provide services for society representing the utility factor of nature: our natural capital. Examples of this changing position of nature in society are for instance the recent Governmental report on nature and society: ‘A ...
... activities to a position of nature in the centre of society, where ecosystems provide services for society representing the utility factor of nature: our natural capital. Examples of this changing position of nature in society are for instance the recent Governmental report on nature and society: ‘A ...