An investigation into the effects of tourist related disturbances on
... currently occurring, and the habitat loss that is associated with it (Bawa et al 1998, Lambert 1992). Practises such as selective logging and supervised logging regimes are increasingly being used to reduce damage to forest habitats that is usually associated with traditional logging regimes (Lewis ...
... currently occurring, and the habitat loss that is associated with it (Bawa et al 1998, Lambert 1992). Practises such as selective logging and supervised logging regimes are increasingly being used to reduce damage to forest habitats that is usually associated with traditional logging regimes (Lewis ...
Alien fish species in the eastern Mediterranean Sea
... beds was lower than that of sandy bottoms (12.7 vs. 20.4 %) a pattern that also followed for biomass (13.6 vs. 23.4 %), indicating that low diverse systems may be more prone to introductions than species-rich communities. The two habitats had similar fish feeding guilds, but the biomass contribution ...
... beds was lower than that of sandy bottoms (12.7 vs. 20.4 %) a pattern that also followed for biomass (13.6 vs. 23.4 %), indicating that low diverse systems may be more prone to introductions than species-rich communities. The two habitats had similar fish feeding guilds, but the biomass contribution ...
A quicker return energyuse strategy by populations of a subtropical
... photosynthesis and reduce allocation to cell walls compared with native Ageratina plants, suggesting a shift from defence to growth in invasive populations. Here, carrying this work forward, we measured construction costs and benefits associated with photosynthesis at light saturation to leaves. We h ...
... photosynthesis and reduce allocation to cell walls compared with native Ageratina plants, suggesting a shift from defence to growth in invasive populations. Here, carrying this work forward, we measured construction costs and benefits associated with photosynthesis at light saturation to leaves. We h ...
AZA Guidelines for Reintroduction of Animals
... ecological balances, minimal risk of disease, and minimal disturbance due to the activities of the reintroduction managers and observers (1, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 17). If there is an existing wild population, reintroduction should proceed only when or where it is below carrying capacity, ...
... ecological balances, minimal risk of disease, and minimal disturbance due to the activities of the reintroduction managers and observers (1, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 17). If there is an existing wild population, reintroduction should proceed only when or where it is below carrying capacity, ...
Species-Specific Responses of Carnivores to Human
... in the 21st century and carnivore decline [3]. Carnivores are particularly vulnerable to local extinction in these types of landscapes because of their comparatively large home ranges, low population numbers, and direct persecution by humans mostly due to hunting for the skin trade and predator cont ...
... in the 21st century and carnivore decline [3]. Carnivores are particularly vulnerable to local extinction in these types of landscapes because of their comparatively large home ranges, low population numbers, and direct persecution by humans mostly due to hunting for the skin trade and predator cont ...
House cats as predators in the Australian
... proposals that restrict ownership or create catfree zones (e.g., Grayson et al. 2002). Effective provisions should have twofold benefits. First, they should reduce the depletion of native wildlife in settled areas. Secondly, they should improve cat welfare by reducing the numbers of dumped, unwanted ...
... proposals that restrict ownership or create catfree zones (e.g., Grayson et al. 2002). Effective provisions should have twofold benefits. First, they should reduce the depletion of native wildlife in settled areas. Secondly, they should improve cat welfare by reducing the numbers of dumped, unwanted ...
this PDF file - Journal of Insect Biodiversity
... spp.) (Mashimo et al. 2014); whereas the more diverse comprise the Diptera (flies, 100,000 spp.), Hemiptera (bugs, 100,000 spp.), Hymenoptera (wasps, bees, ants, and sawflies; 120,000 spp.), Lepidoptera (butterflies and moths, 150,000 spp.) and, of course, the Coleoptera (beetles, 370,000 spp.) (Cap ...
... spp.) (Mashimo et al. 2014); whereas the more diverse comprise the Diptera (flies, 100,000 spp.), Hemiptera (bugs, 100,000 spp.), Hymenoptera (wasps, bees, ants, and sawflies; 120,000 spp.), Lepidoptera (butterflies and moths, 150,000 spp.) and, of course, the Coleoptera (beetles, 370,000 spp.) (Cap ...
Fox in the Hen House - Open Journal Systems for the IAG
... Findings and discussion The Threat The prosperity of the fox on the mainland is partially the result of its wide dietary range that includes small to medium sized animals (Saunders et al. 1995, p. 2). Table 1, Appendix A, lists the species at threat in Tasmania, many of the mammals, birds and reptil ...
... Findings and discussion The Threat The prosperity of the fox on the mainland is partially the result of its wide dietary range that includes small to medium sized animals (Saunders et al. 1995, p. 2). Table 1, Appendix A, lists the species at threat in Tasmania, many of the mammals, birds and reptil ...
Does plant trait plasticity explain the relative competitive ability of
... Appendix 3: post hoc test............................................................................................. 47 ...
... Appendix 3: post hoc test............................................................................................. 47 ...
Biotic and abiotic factors constraining the distribution and
... axes. Pelliciera rhizophorae is a Neotropical mangrove with a narrow geographical range, specialized habitat, and generally sparse local abundance. I chose to study this species because it is an example of the rarest of the rare, and before I started this work, very little was known about the curren ...
... axes. Pelliciera rhizophorae is a Neotropical mangrove with a narrow geographical range, specialized habitat, and generally sparse local abundance. I chose to study this species because it is an example of the rarest of the rare, and before I started this work, very little was known about the curren ...
Effects of invasive Pacific red lionfish Pterois volitans
... lionfish could have broad effects on coral-reef ecosystems by consuming other ecologically important species, such as cleaners, the loss of which could result in reduced reef fish abundance and diversity (Losey et al. 1999; Côté 2000). This potential for lionfish to cause indirect destabilizing ef ...
... lionfish could have broad effects on coral-reef ecosystems by consuming other ecologically important species, such as cleaners, the loss of which could result in reduced reef fish abundance and diversity (Losey et al. 1999; Côté 2000). This potential for lionfish to cause indirect destabilizing ef ...
Effects of invasive Pacific red lionfish Pterois volitans
... lionfish could have broad effects on coral-reef ecosystems by consuming other ecologically important species, such as cleaners, the loss of which could result in reduced reef fish abundance and diversity (Losey et al. 1999; Côté 2000). This potential for lionfish to cause indirect destabilizing ef ...
... lionfish could have broad effects on coral-reef ecosystems by consuming other ecologically important species, such as cleaners, the loss of which could result in reduced reef fish abundance and diversity (Losey et al. 1999; Côté 2000). This potential for lionfish to cause indirect destabilizing ef ...
International Control of Marine Pollution by Exotic Species
... too far ahead of international scientific consensus. Too often, a severe manifestation of an environmental hazard-an authentic disaster-must occur before an effective international legal regime is adopted. The environmental threat posed by exotic species has defied most attempts at sensible definiti ...
... too far ahead of international scientific consensus. Too often, a severe manifestation of an environmental hazard-an authentic disaster-must occur before an effective international legal regime is adopted. The environmental threat posed by exotic species has defied most attempts at sensible definiti ...
The Dynamics of Temperate Forest Fragmentation
... (SAR) is actually neutral in deciding between a single large and several small reserves. In homogenous habitat, a large reserve will indeed be able to support more species than several small reserves. However, environmental heterogeneity significantly determines species composition on relatively sma ...
... (SAR) is actually neutral in deciding between a single large and several small reserves. In homogenous habitat, a large reserve will indeed be able to support more species than several small reserves. However, environmental heterogeneity significantly determines species composition on relatively sma ...
Appendix E - Biodiversity Offsets Strategy
... comprise two Exploration Licences in Retention (ELRs) which are termed the Eastern Leases. ELR28161 is termed the Northern Eastern Lease (Northern EL) and ELR28162 is termed the Southern Eastern Lease (Southern EL). The project will use the same open cut mining methods used at the existing mine. Pro ...
... comprise two Exploration Licences in Retention (ELRs) which are termed the Eastern Leases. ELR28161 is termed the Northern Eastern Lease (Northern EL) and ELR28162 is termed the Southern Eastern Lease (Southern EL). The project will use the same open cut mining methods used at the existing mine. Pro ...
Full text in pdf format
... factors that affect the spatial distribution of microphytobenthic organisms on different spatial scales. However, the literature on important characteristics of distribution such as level of aggregation or patch size is often contradictory. Not always are these and other parameters compared on diffe ...
... factors that affect the spatial distribution of microphytobenthic organisms on different spatial scales. However, the literature on important characteristics of distribution such as level of aggregation or patch size is often contradictory. Not always are these and other parameters compared on diffe ...
Declining interspecific competition during character displacement
... indicate that the character displacement hypothesis is wrong or at best incomplete. For example, in the laboratory, benthics are more aggressive than intermediates (D. Schluter, personal observation), behaviour that may result in a strong impact on fitness of marines despite greater ecological diverg ...
... indicate that the character displacement hypothesis is wrong or at best incomplete. For example, in the laboratory, benthics are more aggressive than intermediates (D. Schluter, personal observation), behaviour that may result in a strong impact on fitness of marines despite greater ecological diverg ...
BIODIVERSITY AND ECOSYSTEM FUNCTION: DO SPECIES
... provision of natural resources. Although exact numbers and timescales are difficult to determine, it is clear that biodiversity (species and habitat richness, genetic diversity and community complexity) is declining. Studies of biodiversity are thus assuming greater significance as ecologists try de ...
... provision of natural resources. Although exact numbers and timescales are difficult to determine, it is clear that biodiversity (species and habitat richness, genetic diversity and community complexity) is declining. Studies of biodiversity are thus assuming greater significance as ecologists try de ...
New Jersey`s Landscape Project - Rutgers Environmental Stewards
... New Jersey is the most densely populated state in the nation. One of the consequences of this distinction is the extreme pressure that is placed on our natural resources. As the population grows, we continue to lose or impact the remaining natural areas of the state. As more and more habitat is lost ...
... New Jersey is the most densely populated state in the nation. One of the consequences of this distinction is the extreme pressure that is placed on our natural resources. As the population grows, we continue to lose or impact the remaining natural areas of the state. As more and more habitat is lost ...
Mycorrhizal networks mediate overstorey
... fertility gradients (Kobe et al. 1995; Walters & Reich 1997; Bigelow & Canham 2002) confirm that many temperate and tropical species respond positively to release from root competition and increased belowground resources, even at very low light levels. These results suggest that speciesÕ shade toler ...
... fertility gradients (Kobe et al. 1995; Walters & Reich 1997; Bigelow & Canham 2002) confirm that many temperate and tropical species respond positively to release from root competition and increased belowground resources, even at very low light levels. These results suggest that speciesÕ shade toler ...
The emergence and promise of functional biogeography
... The first trait–environment relationships were established from local studies (78, 79), but site-dependent effects and the restricted range of environmental conditions covered in most studies question the robustness of the results. A functional biogeography approach to this question is a relevant al ...
... The first trait–environment relationships were established from local studies (78, 79), but site-dependent effects and the restricted range of environmental conditions covered in most studies question the robustness of the results. A functional biogeography approach to this question is a relevant al ...
6 Plant-plant interactions mediated by other trophic levels
... against log (density). The slope of such a line has been justified on theoretical (especially ...
... against log (density). The slope of such a line has been justified on theoretical (especially ...
CHAPTER III: Native and nonnative phylogenetically paired plant
... reorganization of species around the globe. Sometimes species are intentionally deposited into new ranges for agriculture, forestry, horticulture, or aesthetics (Crosby 1986, Mack et al. 2000, Reichard & White 2001, Lockwood et al. 2007). Other species are moved unintentionally, as hitchhikers on pl ...
... reorganization of species around the globe. Sometimes species are intentionally deposited into new ranges for agriculture, forestry, horticulture, or aesthetics (Crosby 1986, Mack et al. 2000, Reichard & White 2001, Lockwood et al. 2007). Other species are moved unintentionally, as hitchhikers on pl ...
Thermodynamic stability of ecosystems ARTICLE IN PRESS K. Michaelian
... that the ecological steady state, or periods of stasis in ecosystems, is a particular manifestation of the thermodynamic stationary state. Furthermore, it will be shown that evolution of the species interaction coefficients leading up to this period is driven necessarily in the direction of securing ...
... that the ecological steady state, or periods of stasis in ecosystems, is a particular manifestation of the thermodynamic stationary state. Furthermore, it will be shown that evolution of the species interaction coefficients leading up to this period is driven necessarily in the direction of securing ...
South Coast Biodiversity
... human survival. As an example, just three plant species – wheat, rice and maize – provide the world’s people with half its nutrient intake. On the south coast we farm biodiversity in a number of ways to provide food, clothing, shelter and wealth. We also use the region’s remarkable biodiversity for ...
... human survival. As an example, just three plant species – wheat, rice and maize – provide the world’s people with half its nutrient intake. On the south coast we farm biodiversity in a number of ways to provide food, clothing, shelter and wealth. We also use the region’s remarkable biodiversity for ...
Island restoration
The ecological restoration of islands, or island restoration, is the application of the principles of ecological restoration to islands and island groups. Islands, due to their isolation, are home to many of the world's endemic species, as well as important breeding grounds for seabirds and some marine mammals. Their ecosystems are also very vulnerable to human disturbance and particularly to introduced species, due to their small size. Island groups such as New Zealand and Hawaii have undergone substantial extinctions and losses of habitat. Since the 1950s several organisations and government agencies around the world have worked to restore islands to their original states; New Zealand has used them to hold natural populations of species that would otherwise be unable to survive in the wild. The principal components of island restoration are the removal of introduced species and the reintroduction of native species.