Species Richness and the Temporal Stability of Biomass Production
... abstract: The relationship between biological diversity and ecological stability has fascinated ecologists for decades. Determining the generality of this relationship, and discovering the mechanisms that underlie it, are vitally important for ecosystem management. Here, we investigate how species r ...
... abstract: The relationship between biological diversity and ecological stability has fascinated ecologists for decades. Determining the generality of this relationship, and discovering the mechanisms that underlie it, are vitally important for ecosystem management. Here, we investigate how species r ...
Community assembly, coexistence and the environmental filtering
... Despite the widespread use of the term, the environmental filtering metaphor is still used in a form today that is largely unchanged from its original meaning. As with any metaphor, there are circumstances where the environmental filtering concept is potentially useful, and other circumstances where t ...
... Despite the widespread use of the term, the environmental filtering metaphor is still used in a form today that is largely unchanged from its original meaning. As with any metaphor, there are circumstances where the environmental filtering concept is potentially useful, and other circumstances where t ...
The role of plant species in biomass production and response to
... A repeated measures ANOVA was used to determine the main effects of species and treatments on biomass and statistical interactions between main effects. All main effects were included initially in the models. These included the presence/absence of the CO2 treatment, the N treatment, and each species ...
... A repeated measures ANOVA was used to determine the main effects of species and treatments on biomass and statistical interactions between main effects. All main effects were included initially in the models. These included the presence/absence of the CO2 treatment, the N treatment, and each species ...
Global ecological impacts of invasive species in aquatic ecosystems
... ~ ez et al., 2010). As from its grazing pressure (Ord on opposed to predators, filter feeders like the zebra mussel (Dreissena polymorpha) are able to considerably reduce the abundance of phytoplankton (and also small zooplankton), with foreseeable negative consequences upon higher trophic levels ( ...
... ~ ez et al., 2010). As from its grazing pressure (Ord on opposed to predators, filter feeders like the zebra mussel (Dreissena polymorpha) are able to considerably reduce the abundance of phytoplankton (and also small zooplankton), with foreseeable negative consequences upon higher trophic levels ( ...
A novel soil manganese mechanism drives plant species loss with
... after exclusion of livestock grazing. Sixty-four plots (each 15 × 10 m) separated by 4 m wide buffer strips were established in an 8 × 8 Latin square experimental design. There were eight levels of N (urea) addition (0, 1, 2, 4, 8, 16, 32, 64 g N·m−2·yr−1), with eight replicates per N treatment. The ...
... after exclusion of livestock grazing. Sixty-four plots (each 15 × 10 m) separated by 4 m wide buffer strips were established in an 8 × 8 Latin square experimental design. There were eight levels of N (urea) addition (0, 1, 2, 4, 8, 16, 32, 64 g N·m−2·yr−1), with eight replicates per N treatment. The ...
A Survey and Overview of Habitat Fragmentation Experiments
... Following from the theory of island biogeography (MacArthur & Wilson 1967), species richness in habitat fragments is expected to be a function of island size and degree of isolation. Smaller, more isolated fragments are expected to retain fewer species than larger, less isolated habitat tracts (Diam ...
... Following from the theory of island biogeography (MacArthur & Wilson 1967), species richness in habitat fragments is expected to be a function of island size and degree of isolation. Smaller, more isolated fragments are expected to retain fewer species than larger, less isolated habitat tracts (Diam ...
View or download introduction
... loulu (Pritchardia spp.) palms and other endangered plant species (U.S. Army 2006). These actions may kill plants outright, make them more susceptible to pathogens or insects, or prevent natural reproduction. While rats can be controlled in small areas using bait stations and traps, it is extremely ...
... loulu (Pritchardia spp.) palms and other endangered plant species (U.S. Army 2006). These actions may kill plants outright, make them more susceptible to pathogens or insects, or prevent natural reproduction. While rats can be controlled in small areas using bait stations and traps, it is extremely ...
Opportunistic predation of bats by crab
... gain is low (Facure 1996), and in some areas, this species has a predominantly carnivorous diet (Pedó et al. 2006). However, it is possible that bats are not common in their diet, as they would not normally encounter them. Most studies indicate that rodents represent the most commonly consumed verte ...
... gain is low (Facure 1996), and in some areas, this species has a predominantly carnivorous diet (Pedó et al. 2006). However, it is possible that bats are not common in their diet, as they would not normally encounter them. Most studies indicate that rodents represent the most commonly consumed verte ...
conclusions from phytoplankton surveys
... reason why disturbances of external origin should have different consequences on species diversity. The distinction between external and internal origin of disturbance is less important than the occurrence of disturbance per se. This empirical statement was later theoretically supported by Steele an ...
... reason why disturbances of external origin should have different consequences on species diversity. The distinction between external and internal origin of disturbance is less important than the occurrence of disturbance per se. This empirical statement was later theoretically supported by Steele an ...
Bald Eagle, Haliaeetus leucocephalus
... contain large trees with cavities suitable for nesting. Barred owl habitats typically have an open understory through which the owls can fly and hunt. The lack of large nesting cavities is often the primary limiting factor for barred owls. Consequently, these owls may nest immediately outside of a w ...
... contain large trees with cavities suitable for nesting. Barred owl habitats typically have an open understory through which the owls can fly and hunt. The lack of large nesting cavities is often the primary limiting factor for barred owls. Consequently, these owls may nest immediately outside of a w ...
Table 1: Official conservation status of Brisbane`s stream
... The conservation status of a species will influence how it is managed. ‘Threatened’ species are typically accorded a more stringent management regime than ‘common’ species’. Various conservation registers identify the status of fauna species at local, regional, state and national levels. The current ...
... The conservation status of a species will influence how it is managed. ‘Threatened’ species are typically accorded a more stringent management regime than ‘common’ species’. Various conservation registers identify the status of fauna species at local, regional, state and national levels. The current ...
Control of environmental variables on species density in
... community biomass but also by variations in environmental conditions, which may be related or unrelated to community biomass. Environmental variables (soil characteristics, acidity, water regime, nutrient availabilities) were measured in 46 sites in wet meadows and fens, and related to above-ground ...
... community biomass but also by variations in environmental conditions, which may be related or unrelated to community biomass. Environmental variables (soil characteristics, acidity, water regime, nutrient availabilities) were measured in 46 sites in wet meadows and fens, and related to above-ground ...
Pseudomys novaehollandiae, New Holland Mouse
... • Inappropriate fire regimes (severe): the New Holland Mouse is dependent on early to mid stages of vegetation recovery after fire. • Predation by feral cats (severe, especially in association with frequent fire): feral Domestic Cats (Felis catus) occur through entire range of this species, includin ...
... • Inappropriate fire regimes (severe): the New Holland Mouse is dependent on early to mid stages of vegetation recovery after fire. • Predation by feral cats (severe, especially in association with frequent fire): feral Domestic Cats (Felis catus) occur through entire range of this species, includin ...
Mathematical Challenges in Spatial Ecology, Volume 48, Number 11
... biology that deals with organisms’ relations to one another and to the physical environment in which they live.” Examples of such relations are predator-prey interactions and plants competing for resources. Such interactions may be influenced by demographic and environmental fluctuations and occur o ...
... biology that deals with organisms’ relations to one another and to the physical environment in which they live.” Examples of such relations are predator-prey interactions and plants competing for resources. Such interactions may be influenced by demographic and environmental fluctuations and occur o ...
Essential ecological insights for marine ecosystem
... surface often seems homogeneous from horizon to horizon. That is misleading because the sea conceals its spatially heterogeneous patterns of topography, water stratification and movement, living things, and human interests and impacts. A thoughtful observer will also realize that the sea is heterogen ...
... surface often seems homogeneous from horizon to horizon. That is misleading because the sea conceals its spatially heterogeneous patterns of topography, water stratification and movement, living things, and human interests and impacts. A thoughtful observer will also realize that the sea is heterogen ...
Introduction
... The introduction's third task is to outline the logical progression of the paper by summarizing its content. In one or two sentences, it specifies the structure of the paper by listing its main ideas in the correct order. Here are a few ways of organizing your ideas: Adopt a linear outline by buildi ...
... The introduction's third task is to outline the logical progression of the paper by summarizing its content. In one or two sentences, it specifies the structure of the paper by listing its main ideas in the correct order. Here are a few ways of organizing your ideas: Adopt a linear outline by buildi ...
biod10
... of and supervising the ecosystem, that is simple enough, but why does the ecosystem need managing. It seems to have done rather well for itself over the last billion years. The answer is simple; we want to use the ecosystem’s resources and still have them available to us in the future. Indeed, we ha ...
... of and supervising the ecosystem, that is simple enough, but why does the ecosystem need managing. It seems to have done rather well for itself over the last billion years. The answer is simple; we want to use the ecosystem’s resources and still have them available to us in the future. Indeed, we ha ...
ILO/Study Guide for Unit 1
... pests population photosynthesis primary consumer thermodynamics inorganic substance carbon cycle nutrients biome boreal forest selective-cutting profundal zone ...
... pests population photosynthesis primary consumer thermodynamics inorganic substance carbon cycle nutrients biome boreal forest selective-cutting profundal zone ...
Insect Ecology
... •In case of many insects, embryonic development can start only after the egg absorbed some water (e.g.: may-beetle, rape saw-fly..) •Liquid water can be dangerous to insects (e.g.: young larvae of potato beetle can show 60% mortality because of a thunder-shower) interesting opposite that potato beet ...
... •In case of many insects, embryonic development can start only after the egg absorbed some water (e.g.: may-beetle, rape saw-fly..) •Liquid water can be dangerous to insects (e.g.: young larvae of potato beetle can show 60% mortality because of a thunder-shower) interesting opposite that potato beet ...
Conservation, restoration, and effects of climate change on wetlands
... All wetlands are intricately linked with the hydrological cycle and thus they may be vulnerable to some of the potential impacts of global climate change, such as increased flood and drought events or storm surges. In addition, wetland vegetation can make an important contribution to the sequestrati ...
... All wetlands are intricately linked with the hydrological cycle and thus they may be vulnerable to some of the potential impacts of global climate change, such as increased flood and drought events or storm surges. In addition, wetland vegetation can make an important contribution to the sequestrati ...
Habitat Fragmentation – In Theory
... This study examines the effects of habitat fragmentation on the carabid beetle species richness and abundance in fragmented forest habitats relative to non fragmented forest habitats. Based on previous studies, Davies and Margules hypothesized that carabid beetle species richness would decrease in ...
... This study examines the effects of habitat fragmentation on the carabid beetle species richness and abundance in fragmented forest habitats relative to non fragmented forest habitats. Based on previous studies, Davies and Margules hypothesized that carabid beetle species richness would decrease in ...
Great Basin Spadefoot (Spea intermontana)
... They attain reproductive maturity at 2 – 3 years and may live up to 10 years. Spadefoots have a variety of physiological adaptations for living in a dry environment, including the ability to survive relatively high water loss and absorb water directly from the soil while burrowed. Population sizes a ...
... They attain reproductive maturity at 2 – 3 years and may live up to 10 years. Spadefoots have a variety of physiological adaptations for living in a dry environment, including the ability to survive relatively high water loss and absorb water directly from the soil while burrowed. Population sizes a ...
Reconciliation ecology
Reconciliation ecology is the branch of ecology which studies ways to encourage biodiversity in human-dominated ecosystems. Michael Rosenzweig first articulated the concept in his book Win-Win Ecology, based on the theory that there is not enough area for all of earth’s biodiversity to be saved within designated nature preserves. Therefore, humans should increase biodiversity in human-dominated landscapes. By managing for biodiversity in ways that do not decrease human utility of the system, it is a ""win-win"" situation for both human use and native biodiversity. The science is based in the ecological foundation of human land-use trends and species-area relationships. It has many benefits beyond protection of biodiversity, and there are numerous examples of it around the globe. Aspects of reconciliation ecology can already be found in management legislation, but there are challenges in both public acceptance and ecological success of reconciliation attempts.