Restoring Large Prairies in the Chicago Region
... small fragments. Many efforts are underway to expand and augment such small remnants with good-quality, large restored prairies. The resulting larger prairies, if restored and managed well, may provide long-term conservation benefits by increasing gene pool sizes, allowing more grassland animals to ...
... small fragments. Many efforts are underway to expand and augment such small remnants with good-quality, large restored prairies. The resulting larger prairies, if restored and managed well, may provide long-term conservation benefits by increasing gene pool sizes, allowing more grassland animals to ...
Islands as model systems in ecology and evolution
... This article focuses on terrestrial islands surrounded by water that have arisen devoid of life (de novo; Box 2). However, many other insular systems are also relevant to some of the points raised and may provide substantial opportunities for research. From a biological perspective, a key characteri ...
... This article focuses on terrestrial islands surrounded by water that have arisen devoid of life (de novo; Box 2). However, many other insular systems are also relevant to some of the points raised and may provide substantial opportunities for research. From a biological perspective, a key characteri ...
The Global Decline of Reptiles, Deja Vu Amphibians
... in tegral part of natu ral ecosystems and as heralds of environmental quality (Gibbons and Stangel 1999). In recent ye ars, as overall environ mental aw areness among the p ublic has increased, concerns have come to include interest in the ecological state of reptile and amphibian spec ies themselve ...
... in tegral part of natu ral ecosystems and as heralds of environmental quality (Gibbons and Stangel 1999). In recent ye ars, as overall environ mental aw areness among the p ublic has increased, concerns have come to include interest in the ecological state of reptile and amphibian spec ies themselve ...
Shortgrass Prairie Ecosystem Protection
... one of the most endangered animals in the world. The mountain plover, a ...
... one of the most endangered animals in the world. The mountain plover, a ...
Causes and Consequences of Thermal Tolerance Limits in Rocky
... Petrolisthes, maximal thermal tolerance limits, expressed as the temperature at which 50% mortality occurred (LT50) during experiments designed to mimic under-rock temperature changes during extremely hot days, reflected microhabitat conditions in terms of both vertical distribution and maximal micr ...
... Petrolisthes, maximal thermal tolerance limits, expressed as the temperature at which 50% mortality occurred (LT50) during experiments designed to mimic under-rock temperature changes during extremely hot days, reflected microhabitat conditions in terms of both vertical distribution and maximal micr ...
Appendix A
... „To date several biological control agents have been successful yet not well spread.(perhaps when making the application a clear pathway be identified on how distribution will take place accompanied with the required funding).‟ the question would have to be asked, "What happens when all of the tobac ...
... „To date several biological control agents have been successful yet not well spread.(perhaps when making the application a clear pathway be identified on how distribution will take place accompanied with the required funding).‟ the question would have to be asked, "What happens when all of the tobac ...
Geological and Ecological Settings of Mount St. Helens
... this abundant moisture flows back to the sea, forming a regional hydrologic cycling system. A well-connected marine– freshwater system fostered development of numerous stocks of anadromous fish. Similarly, the north–south climatic gradient and topographic features of mountain ranges and chains of coas ...
... this abundant moisture flows back to the sea, forming a regional hydrologic cycling system. A well-connected marine– freshwater system fostered development of numerous stocks of anadromous fish. Similarly, the north–south climatic gradient and topographic features of mountain ranges and chains of coas ...
Keystone species and food webs - Philosophical Transactions of the
... concepts overlap and how operative is their use?’ (Dale & Beyeler 2001). All of these concepts are probably useful for some purposes, but it is the very diversity of these terms that makes objective studies more difficult. All of them acknowledge that there is a need for clarifying the most importan ...
... concepts overlap and how operative is their use?’ (Dale & Beyeler 2001). All of these concepts are probably useful for some purposes, but it is the very diversity of these terms that makes objective studies more difficult. All of them acknowledge that there is a need for clarifying the most importan ...
McPeek, M. A. 2008. Ecological factors limiting the
... Beukema 2002; Kery and Juillerat 2004; CórdobaAguilar et al. 2006). Females of most species spend considerable time away from water bodies to forage and presumably to reduce harassment by males, but at the expense of greater mortality (Anholt 1997; Marden and Rowan 2000; Anholt et al. 2001). In fact ...
... Beukema 2002; Kery and Juillerat 2004; CórdobaAguilar et al. 2006). Females of most species spend considerable time away from water bodies to forage and presumably to reduce harassment by males, but at the expense of greater mortality (Anholt 1997; Marden and Rowan 2000; Anholt et al. 2001). In fact ...
Preface Introducing the reed warblers 3 Habitat characteristics
... 2 Island habitats 3 Island conditions and phenomena of niches 5 Communication, breeding biology and further idiosyncracies 6 Population trends of island warblers The case of the Laysan and Nihoa Millerbirds ...
... 2 Island habitats 3 Island conditions and phenomena of niches 5 Communication, breeding biology and further idiosyncracies 6 Population trends of island warblers The case of the Laysan and Nihoa Millerbirds ...
How human disturbance of tropical rainforest can influence avian
... intermediate and disturbed), caused by subsistence land use adjacent to a protected forest reserve. We measured the numbers of fruits removed and the effect of fruit position on the likelihood of removal, along with the abundances of all fruits and fruit-eating birds at the study sites. Fruit remova ...
... intermediate and disturbed), caused by subsistence land use adjacent to a protected forest reserve. We measured the numbers of fruits removed and the effect of fruit position on the likelihood of removal, along with the abundances of all fruits and fruit-eating birds at the study sites. Fruit remova ...
Nitrogen and phosphorus resorption in a neotropical rain forest of a
... been observed to be low. Perhaps this lack of consistence is partly owing to the nutrient resorption methods used. The aim of the study was to analyse N and P resorption proficiency from tropical rain forest trees in a nutrientrich soil. It was hypothesised that trees would exhibit low nutrient reso ...
... been observed to be low. Perhaps this lack of consistence is partly owing to the nutrient resorption methods used. The aim of the study was to analyse N and P resorption proficiency from tropical rain forest trees in a nutrientrich soil. It was hypothesised that trees would exhibit low nutrient reso ...
Oregon Spotted Frog
... Frog tadpoles have yellow to washed out red bellies with gold flecks while Oregon Spotted Frog tadpoles have white or slate coloured bellies. Oregon Spotted Frog tends to sit with its belly low to the ground while most other Ranid species sit upright. The upturned eyes and extensive webbing on the ...
... Frog tadpoles have yellow to washed out red bellies with gold flecks while Oregon Spotted Frog tadpoles have white or slate coloured bellies. Oregon Spotted Frog tends to sit with its belly low to the ground while most other Ranid species sit upright. The upturned eyes and extensive webbing on the ...
Reproductive dynamics of three amphibian species in
... closed to changes in occupancy during a given primary sampling session (Mackenzie et al., 2002). This assumption is essential since in a typical capture history containing at least one encounter, the 0 (if any) must result from detection failures (and not true absences) in order properly to estimate ...
... closed to changes in occupancy during a given primary sampling session (Mackenzie et al., 2002). This assumption is essential since in a typical capture history containing at least one encounter, the 0 (if any) must result from detection failures (and not true absences) in order properly to estimate ...
Marine Ecology Progress Series 495:291
... 2005), diffuse predation is likely to be widespread. Diffuse predation according to a prey size window and a predator to prey size distribution are ubiquitous features of size spectra models of energy flow in aquatic ecosystems (Blanchard et al. 2011). Using the trophic level definition of apex and ...
... 2005), diffuse predation is likely to be widespread. Diffuse predation according to a prey size window and a predator to prey size distribution are ubiquitous features of size spectra models of energy flow in aquatic ecosystems (Blanchard et al. 2011). Using the trophic level definition of apex and ...
Kirwan in Ecology
... ecosystem function (e.g., total annual biomass, nutrients leached, and so on). Species identity effects (ID) and diversity effects (DE) are incorporated in the models through functions of the initial proportions of species in the community (denoted Pi for the ith species) and total overall initial a ...
... ecosystem function (e.g., total annual biomass, nutrients leached, and so on). Species identity effects (ID) and diversity effects (DE) are incorporated in the models through functions of the initial proportions of species in the community (denoted Pi for the ith species) and total overall initial a ...
Diversityinteraction modeling: estimating contributions of species
... ecosystem function (e.g., total annual biomass, nutrients leached, and so on). Species identity effects (ID) and diversity effects (DE) are incorporated in the models through functions of the initial proportions of species in the community (denoted Pi for the ith species) and total overall initial a ...
... ecosystem function (e.g., total annual biomass, nutrients leached, and so on). Species identity effects (ID) and diversity effects (DE) are incorporated in the models through functions of the initial proportions of species in the community (denoted Pi for the ith species) and total overall initial a ...
annexes
... and/or procure raw material for meeting their own requirements by reaching out to private sector and individuals. The practice of supply of subsidized forest produce from the state forests to forest-based industry will be discouraged. The supply of wood and non-wood materials for forest-based indust ...
... and/or procure raw material for meeting their own requirements by reaching out to private sector and individuals. The practice of supply of subsidized forest produce from the state forests to forest-based industry will be discouraged. The supply of wood and non-wood materials for forest-based indust ...
Assessing the health of European rivers using
... many trophic roles from detritivores to secondary carnivores. However, it is rare for fish to specialise in one particular food category throughout their entire life cycle. Furthermore, many species show ontogenetic shifts in dietary preferences and plasticity in their feeding behaviour depending upo ...
... many trophic roles from detritivores to secondary carnivores. However, it is rare for fish to specialise in one particular food category throughout their entire life cycle. Furthermore, many species show ontogenetic shifts in dietary preferences and plasticity in their feeding behaviour depending upo ...
12 Wildlife Habitat Tips for Small Acreages - MP478
... between acorns and deer and turkey, flower pollination and insects, berries and our migrating songbirds, and milk weeds and monarch butterflies. When it comes to woodland wildflowers, few people know about the important role that some ants have in the dispersal of seeds for plants such as spring be ...
... between acorns and deer and turkey, flower pollination and insects, berries and our migrating songbirds, and milk weeds and monarch butterflies. When it comes to woodland wildflowers, few people know about the important role that some ants have in the dispersal of seeds for plants such as spring be ...
Breeding and Non-breeding Survival of Lesser Prairie
... whereas a site rated as excellent on this scale (e.g., grassland) may not be used at all by that species. More appropriate terms for describing the condition of rangeland vegetation as they relate to wildlife needs are climax, late seral, mid-seral, and early seral. ...
... whereas a site rated as excellent on this scale (e.g., grassland) may not be used at all by that species. More appropriate terms for describing the condition of rangeland vegetation as they relate to wildlife needs are climax, late seral, mid-seral, and early seral. ...
Impacts of Pollutants on Beavers and Otters with Implications for
... engineers and river otters as keystone species. We suggest that they might serve together as a sentinel species unit in light of aquatic contamination. Considering the two species is interesting because of their shared habitat yet different trophic levels. River otters are common in and around beave ...
... engineers and river otters as keystone species. We suggest that they might serve together as a sentinel species unit in light of aquatic contamination. Considering the two species is interesting because of their shared habitat yet different trophic levels. River otters are common in and around beave ...
LS2.A- Interdependent Relationships in Ecosystems
... as coyotes, bobcats, rattle snakes, hawks and eagles, which all eat similar food to what he eats. His inability to interact with his environment as well as these animals would affect his chances of survival. As he would not have the essential nutrients and energy from food to enable him to grow, and ...
... as coyotes, bobcats, rattle snakes, hawks and eagles, which all eat similar food to what he eats. His inability to interact with his environment as well as these animals would affect his chances of survival. As he would not have the essential nutrients and energy from food to enable him to grow, and ...
"replacements" of landbird species on socorro island, mexico
... most entirely restrictedto the vicinity of large events took place virtually simultaneouslyand fig grovesnear the coast.Away from the coast congruently in two very different typesof birds. our party found only two near the airstrip in 2 Full data for the critical years are unavailable, daysof field ...
... most entirely restrictedto the vicinity of large events took place virtually simultaneouslyand fig grovesnear the coast.Away from the coast congruently in two very different typesof birds. our party found only two near the airstrip in 2 Full data for the critical years are unavailable, daysof field ...
Biological Dynamics of Forest Fragments Project
The Biological Dynamics of Forest Fragments Project, originally called the Minimum Critical Size of Ecosystems Project is a large-scale ecological experiment looking at the effects of habitat fragmentation on tropical rainforest; it is one of the most expensive biology experiments ever run. The experiment, which was established in 1979 is located near Manaus, in the Brazilian Amazon. The project is jointly managed by the Smithsonian Institution and INPA, the Brazilian Institute for Research in the Amazon.The project was initiated in 1979 by Thomas Lovejoy to investigate the SLOSS debate. Initially named the Minimum Critical Size of Ecosystems Project, the project created forest fragments of sizes 1 hectare (2 acres), 10 hectares (25 acres), and 100 hectares (247 acres). Data were collected prior to the creation of the fragments and studies of the effects of fragmentation now exceed 25 years.As of October 2010 562 publications and 143 graduate dissertations and theses had emerged from the project.