Niche construction, co-evolution and biodiversity
... ways through one or more abiotic compartments, without any direct contact (Jones et al., 1997; Odling-Smee et al., 2003). In fact, niche constructers can enable other species to live in otherwise physically stressful environments by providing critical resources such as moisture, shade, favourable so ...
... ways through one or more abiotic compartments, without any direct contact (Jones et al., 1997; Odling-Smee et al., 2003). In fact, niche constructers can enable other species to live in otherwise physically stressful environments by providing critical resources such as moisture, shade, favourable so ...
Effects of land use on plant diversity
... (ii) Intensification of land use through fertilization should cause a decline of species richness, because high amounts of nutrients only favour single species, which then dominate the community (Bobbink et al. 2010). Dominant species should also be responsible for lower species richness in monocult ...
... (ii) Intensification of land use through fertilization should cause a decline of species richness, because high amounts of nutrients only favour single species, which then dominate the community (Bobbink et al. 2010). Dominant species should also be responsible for lower species richness in monocult ...
BL / ENVS 403
... Prove or disprove this hypothesis by carrying out three different experiments with mean clutch size set to different values such as 0, 0.5, 1.0, 1.5, and so on, up to the maximum of 10 eggs, keeping all other parameters at their default values. Repeat each experiment several times, study the plots o ...
... Prove or disprove this hypothesis by carrying out three different experiments with mean clutch size set to different values such as 0, 0.5, 1.0, 1.5, and so on, up to the maximum of 10 eggs, keeping all other parameters at their default values. Repeat each experiment several times, study the plots o ...
Secondary succession in overgrazed Pannonian sandy
... Thomas & Dale 1976), but only a few studies evaluate the role of microtopography on annual-perennial dynamics (e.g., Pemadasa et al. 1974). Sandy grasslands, like many other types of grassland in the Pannonian region have undergone major compositional changes during the last few decades due to chang ...
... Thomas & Dale 1976), but only a few studies evaluate the role of microtopography on annual-perennial dynamics (e.g., Pemadasa et al. 1974). Sandy grasslands, like many other types of grassland in the Pannonian region have undergone major compositional changes during the last few decades due to chang ...
Habitat isolation and ecological barriers
... ecological characteristics o f a single patch populations (local population level) and ecological processes among habitat patches (metapopulation level) are presented. The connectivity as a parameter which measures inter-patch processes is discussed. The role o f habitat barriers as “filters’ struct ...
... ecological characteristics o f a single patch populations (local population level) and ecological processes among habitat patches (metapopulation level) are presented. The connectivity as a parameter which measures inter-patch processes is discussed. The role o f habitat barriers as “filters’ struct ...
Habitat use, selection and preference
... plant association may promote high fitness in one animal species but not another ...
... plant association may promote high fitness in one animal species but not another ...
Malleefowl Iconic Species Project
... Motion triggered camera traps will help to monitor active Malleefowl mounds to measure threats to Malleefowl, mounds, eggs and mound maintenance by visiting fauna. Yathong NR, Nombinnie NR and SCA and Round Hill NR In the Central Mallee, the SOS Malleefowl Iconic Species Project is aiming to contrib ...
... Motion triggered camera traps will help to monitor active Malleefowl mounds to measure threats to Malleefowl, mounds, eggs and mound maintenance by visiting fauna. Yathong NR, Nombinnie NR and SCA and Round Hill NR In the Central Mallee, the SOS Malleefowl Iconic Species Project is aiming to contrib ...
Desert rodent populations: factors affecting
... that Dipodomys merriami were excluded from seed resources near the mounds of the ...
... that Dipodomys merriami were excluded from seed resources near the mounds of the ...
Using Biodiversity and Evenness Comparisons Among Plant
... complexity of the ecosystem with increased competition and the availability of niche space (Kormondy 1969; South 1980, Ricklefs & Miller 2000). The intermediate disturbance hypothesis was developed when ecologists began to address the effects of disturbance on 2|Page ...
... complexity of the ecosystem with increased competition and the availability of niche space (Kormondy 1969; South 1980, Ricklefs & Miller 2000). The intermediate disturbance hypothesis was developed when ecologists began to address the effects of disturbance on 2|Page ...
Evolution and Ecology of Species Range Limits
... environments are distributed across the landscape, and how they are connected by dispersal. This requires understanding how spatial variation in fitness results from the fit between phenotype and environment and how differences in fitness translate into population-level differences in abundance. Focusi ...
... environments are distributed across the landscape, and how they are connected by dispersal. This requires understanding how spatial variation in fitness results from the fit between phenotype and environment and how differences in fitness translate into population-level differences in abundance. Focusi ...
Tree species richness promotes productivity in temperate forests
... brought about by two main mechanisms: first, trade-offs evident from the life-history strategies, such as high rates of colonisation often being tied to low shade tolerance, or a typically short lifespan of early successional, fast-growing trees; and second, the fact that cyclical succession is occu ...
... brought about by two main mechanisms: first, trade-offs evident from the life-history strategies, such as high rates of colonisation often being tied to low shade tolerance, or a typically short lifespan of early successional, fast-growing trees; and second, the fact that cyclical succession is occu ...
Interspecific Competition in Plants: How Well Do Current Methods
... sequences of competition to its physiological and genetic basis, is very large. It is not the intention of this article to review these in detail. For a more comprehensive analysis of the classes of questions asked in interspecific plant competition research, see other recent reviews by Connell (198 ...
... sequences of competition to its physiological and genetic basis, is very large. It is not the intention of this article to review these in detail. For a more comprehensive analysis of the classes of questions asked in interspecific plant competition research, see other recent reviews by Connell (198 ...
D3.1 Annex 8b Section 6 Environmental impact pests
... In this question we rate the current environmental impact in other invaded regions that can be used as indicator for determining the potential environmental impact in the PRA area (Q. 6.09). If the species has not invaded any other area, or if the invasion is too recent and too little is known about ...
... In this question we rate the current environmental impact in other invaded regions that can be used as indicator for determining the potential environmental impact in the PRA area (Q. 6.09). If the species has not invaded any other area, or if the invasion is too recent and too little is known about ...
Chapter 5 A Field Study of Interspecific Relationships
... listed in Table 5.1 as possible. In addition, examples will be sought from each of the five kingdoms of living organisms: Monera, Protista, Plantae, Animalia, and Fungi. Close observation, discussion, speculation, and the preparation of good field records should foster a greater understanding of the ...
... listed in Table 5.1 as possible. In addition, examples will be sought from each of the five kingdoms of living organisms: Monera, Protista, Plantae, Animalia, and Fungi. Close observation, discussion, speculation, and the preparation of good field records should foster a greater understanding of the ...
Chap 5 APES
... specific requirements - Extremely good at what they do, but vulnerable to change ...
... specific requirements - Extremely good at what they do, but vulnerable to change ...
The Interplay of Biotic and Abiotic Factors in a Semiarid
... granivores as herbivores increase and graze down vegetation. An extension of this. the exploitation ecosystems hypothesis ("EEH"), predicts that below some productivity threshold. herbivore biomass is insufficient to support predators on them, and herbivores have weak effects on plants. Under these ...
... granivores as herbivores increase and graze down vegetation. An extension of this. the exploitation ecosystems hypothesis ("EEH"), predicts that below some productivity threshold. herbivore biomass is insufficient to support predators on them, and herbivores have weak effects on plants. Under these ...
Baited technique improves censuses of cryptic fish in complex habitats
... coral reefs, because the cryptic species present will be even more difficult to locate and identify. Predation studies on coral reefs have been especially hampered by this problem because many predatory species are cryptic and so it has been difficult to obtain reliable abundance estimates. This stu ...
... coral reefs, because the cryptic species present will be even more difficult to locate and identify. Predation studies on coral reefs have been especially hampered by this problem because many predatory species are cryptic and so it has been difficult to obtain reliable abundance estimates. This stu ...
Cryptic species, cryptic endosymbionts, and geographical variation
... sertula. The different strains of symbionts produced different bryostatins. Davidson & Haygood (1999) suggested (but did not demonstrate) that the suite of bryostatins produced by each endosymbiont may determine the predators to which its animal host is susceptible. If so, or if endosymbionts produc ...
... sertula. The different strains of symbionts produced different bryostatins. Davidson & Haygood (1999) suggested (but did not demonstrate) that the suite of bryostatins produced by each endosymbiont may determine the predators to which its animal host is susceptible. If so, or if endosymbionts produc ...
File - Biology by Napier
... 5. Barnacles are small sea creatures which filter plankton and other microscopic organisms from the water for food. Barnacles often attach themselves using a type of natural glue to larger animals such as whales and sea turtles, which inadvertently carry the barnacles to new sources of food when the ...
... 5. Barnacles are small sea creatures which filter plankton and other microscopic organisms from the water for food. Barnacles often attach themselves using a type of natural glue to larger animals such as whales and sea turtles, which inadvertently carry the barnacles to new sources of food when the ...
Using Phylogenetic, Functional and Trait Diversity to
... in trait space as a measure of total trait or functional dissimilarity. The second strategy, functional diversity (FD) by Petchey and Gaston [24] essentially uses the FAD trait distance matrix to create a functional dendrogram from a clustering routine. FD then corresponds to the total dendrogram br ...
... in trait space as a measure of total trait or functional dissimilarity. The second strategy, functional diversity (FD) by Petchey and Gaston [24] essentially uses the FAD trait distance matrix to create a functional dendrogram from a clustering routine. FD then corresponds to the total dendrogram br ...
Oryctolagus cuniculus, European Rabbit
... National Park in Spain (Ward 2005) and Serra da Malcata Nature reserve in Portugal (700 km²) where the Iberian lynx is protected. Dan Ward's 2005 report outlines specific goals needed to achieve rabbit recovery: - Establish rabbit monitoring programs to accurately describe decline directly. - Create ...
... National Park in Spain (Ward 2005) and Serra da Malcata Nature reserve in Portugal (700 km²) where the Iberian lynx is protected. Dan Ward's 2005 report outlines specific goals needed to achieve rabbit recovery: - Establish rabbit monitoring programs to accurately describe decline directly. - Create ...
Losing history: how extinctions prune features from the tree of life
... scenario assumed random loss of species, whereas there is growing evidence that extinctions tend to be clumped on the tree of life so that if a species is at high risk of extinction so too are its close relatives [54]. Phylogenetically non-random extinctions have been argued to result in greater tha ...
... scenario assumed random loss of species, whereas there is growing evidence that extinctions tend to be clumped on the tree of life so that if a species is at high risk of extinction so too are its close relatives [54]. Phylogenetically non-random extinctions have been argued to result in greater tha ...
Spotted-tailed Quoll: Endangered species
... have declined since European settlement and they are now fragmented. They appear to be extinct in SA. The decline of the Spotted-tailed Quoll is not fully understood but factors that are likely to be involved include habitat clearance, human persecution, predation by introduced predators, fire that ...
... have declined since European settlement and they are now fragmented. They appear to be extinct in SA. The decline of the Spotted-tailed Quoll is not fully understood but factors that are likely to be involved include habitat clearance, human persecution, predation by introduced predators, fire that ...
Seasonal species interactions minimize the impact of species
... the range of parameter space compatible with positive stable solutions (C∗i > 0 and R∗k > 0), the larger the likelihood that the observed community can persist (Rohr et al. 2014, Saavedra et al. 2014). Because we are interested in positive stable solutions, first we needed to find the conditions lea ...
... the range of parameter space compatible with positive stable solutions (C∗i > 0 and R∗k > 0), the larger the likelihood that the observed community can persist (Rohr et al. 2014, Saavedra et al. 2014). Because we are interested in positive stable solutions, first we needed to find the conditions lea ...
Node-by-node disassembly of a mutualistic interaction web driven
... sites with, than in sites without exotic ungulates, and because the mistletoe is the primary source of nectar for the hummingbird during the austral winter, the density of hummingbirds should also be lower at invaded sites than at intact sites. In fact, the density of hummingbirds in the winter decl ...
... sites with, than in sites without exotic ungulates, and because the mistletoe is the primary source of nectar for the hummingbird during the austral winter, the density of hummingbirds should also be lower at invaded sites than at intact sites. In fact, the density of hummingbirds in the winter decl ...