ABSTRACT. This study investigates how arboreal spider
... trifasciata Forskål (Araneidae) and Runcinia flavida Simon (Thomisidae)) decreased in cattle-grazed plots. In contrast, Aelurillus sp. became more prevalent where cattle have been grazing. Multivariate analyses revealed that the spider community responded to grazing pressure by aggregating into thre ...
... trifasciata Forskål (Araneidae) and Runcinia flavida Simon (Thomisidae)) decreased in cattle-grazed plots. In contrast, Aelurillus sp. became more prevalent where cattle have been grazing. Multivariate analyses revealed that the spider community responded to grazing pressure by aggregating into thre ...
AQA(B) A2 Module 5: Environment Contents
... Food Chains and Webs The many relationships between the members of a community in an ecosystem can be described by food chains and webs. Each stage in a food chain is called a trophic level, and the arrows represent the flow of energy and matter through the food chain. Food chains always start with ...
... Food Chains and Webs The many relationships between the members of a community in an ecosystem can be described by food chains and webs. Each stage in a food chain is called a trophic level, and the arrows represent the flow of energy and matter through the food chain. Food chains always start with ...
2002 Benthic Ecology Meeting, Tallahassee, Florida
... Coastal mangrove ecosystems are among the most productive systems in the tropics. Mangroves provide a variety of intrinsic ecological benefits including the nursery grounds for a number of commercially important finfish and shellfish. Accordingly, mangroves form an important part of the economic res ...
... Coastal mangrove ecosystems are among the most productive systems in the tropics. Mangroves provide a variety of intrinsic ecological benefits including the nursery grounds for a number of commercially important finfish and shellfish. Accordingly, mangroves form an important part of the economic res ...
Overview of Ecological Responses to the Eruption of Mount St. Helens
... The sensational 1980 eruption of Mount St. Helens and the subsequent ecological responses are the most thoroughly studied volcanic eruption in the world. The posteruption landscape was remarkable, and nearly a quarter century of study has provided a wealth of information and insight on a broad spect ...
... The sensational 1980 eruption of Mount St. Helens and the subsequent ecological responses are the most thoroughly studied volcanic eruption in the world. The posteruption landscape was remarkable, and nearly a quarter century of study has provided a wealth of information and insight on a broad spect ...
INTRASPECIFIC VARIATION AND GEOGRAPHIC ISOLATION IN
... Holder et al., 1999), based on the mtDNA sequence data presented here. This Pleistocene separation of populations is easily explained by focusing on glacial refugia, which seem to be found south of the glacial margin in both North America and Europe, and also in Newfoundland and Iceland (Dyke and Pr ...
... Holder et al., 1999), based on the mtDNA sequence data presented here. This Pleistocene separation of populations is easily explained by focusing on glacial refugia, which seem to be found south of the glacial margin in both North America and Europe, and also in Newfoundland and Iceland (Dyke and Pr ...
YAMUNA BIODIVERSITY PARK, NEW DELHI
... thus, has prevented the desertification of the Gangetic plains (the rampant reduction of the Aravali mountains, primarily due to mining has not only potential for destroying the local ecosystem, but can also lead to the advent of Thar sand to the fertile Ganga-Yamuna doab, which can ultimately reduc ...
... thus, has prevented the desertification of the Gangetic plains (the rampant reduction of the Aravali mountains, primarily due to mining has not only potential for destroying the local ecosystem, but can also lead to the advent of Thar sand to the fertile Ganga-Yamuna doab, which can ultimately reduc ...
Conservation Genetics Inbreeding, Fluctuating Asymmetry, and
... Pedigrees systematically summarize the breeding relationships among a group of individuals. In a pedigree, females are indicated as circles, males by squares. Offspring are indicated by lines joining their parents. Here is an example of half first cousins: ...
... Pedigrees systematically summarize the breeding relationships among a group of individuals. In a pedigree, females are indicated as circles, males by squares. Offspring are indicated by lines joining their parents. Here is an example of half first cousins: ...
1 PETITION TO LIST ONE SPECIES OF HAWAIIAN YELLOW
... Oahu, Molokai, Lanai and Maui that is in imminent danger of going extinct. There is strong evidence of significant decline of H. facilis (Magnacca 2005, Magnacca 2007). Perkins, whose 1892-1906 survey of the Hylaeus is the basis for most of the historic records of the genus in Hawaii, called Hylaeus ...
... Oahu, Molokai, Lanai and Maui that is in imminent danger of going extinct. There is strong evidence of significant decline of H. facilis (Magnacca 2005, Magnacca 2007). Perkins, whose 1892-1906 survey of the Hylaeus is the basis for most of the historic records of the genus in Hawaii, called Hylaeus ...
Pollution, habitat loss, fishing, and climate change as critical threats
... might be at risk of decline or extinction in the southern hemisphere. We sought to determine the most important threats to penguins and to suggest means to mitigate these threats. Our review has relevance to other taxonomic groups in the southern hemisphere and in northern latitudes, where human imp ...
... might be at risk of decline or extinction in the southern hemisphere. We sought to determine the most important threats to penguins and to suggest means to mitigate these threats. Our review has relevance to other taxonomic groups in the southern hemisphere and in northern latitudes, where human imp ...
The Cypress Swamp - Association for Biology Laboratory Education
... include black gum, sparkleberry, bay, saw palmetto, maple, willow, buttonbush, and several varieties of pine and oak. The plants in a swamp provide food and shelter for a variety of animals, such as squirrels, birds, insects, frogs, snakes, turtles, and raccoons. An animal that isn’t at home in the ...
... include black gum, sparkleberry, bay, saw palmetto, maple, willow, buttonbush, and several varieties of pine and oak. The plants in a swamp provide food and shelter for a variety of animals, such as squirrels, birds, insects, frogs, snakes, turtles, and raccoons. An animal that isn’t at home in the ...
Ecological Components of Endangered Forests
... certification. Ecological Restoration 23(1):15-23. ...
... certification. Ecological Restoration 23(1):15-23. ...
THREATS FACING BERMUDA`S BREEDING SEABIRDS
... established pairs in the 2007-2008 breeding season. When it was re-discovered in 1951, breeding was found to be restricted to four small islands. The species is classified as ‘endangered’ (IUCN 2007 Red List category) and the total population is estimated at 255 individual birds (Dobson and Madeiros ...
... established pairs in the 2007-2008 breeding season. When it was re-discovered in 1951, breeding was found to be restricted to four small islands. The species is classified as ‘endangered’ (IUCN 2007 Red List category) and the total population is estimated at 255 individual birds (Dobson and Madeiros ...
Pollution, habitat loss, fishing, and climate change as critical threats
... might be at risk of decline or extinction in the southern hemisphere. We sought to determine the most important threats to penguins and to suggest means to mitigate these threats. Our review has relevance to other taxonomic groups in the southern hemisphere and in northern latitudes, where human imp ...
... might be at risk of decline or extinction in the southern hemisphere. We sought to determine the most important threats to penguins and to suggest means to mitigate these threats. Our review has relevance to other taxonomic groups in the southern hemisphere and in northern latitudes, where human imp ...
Biomes - SEPUP
... the Amazon rain forest, but the python is found in the rain forests of Borneo. Although they are different species, these snakes have similar characteristics (good swimmers, constrictors, can go for long periods without food, need warmth and humidity) and occupy similar habitats in their environment ...
... the Amazon rain forest, but the python is found in the rain forests of Borneo. Although they are different species, these snakes have similar characteristics (good swimmers, constrictors, can go for long periods without food, need warmth and humidity) and occupy similar habitats in their environment ...
Drift fences, coverboards, and other traps
... 13.2.3 What can passive traps tell you? What can they not tell you? Passive traps, especially when used in conjunction with drift fences, have proved highly effective for determining the distribution and abundance of amphibians both spatially and temporally. Many examples exist in which drift-fence ...
... 13.2.3 What can passive traps tell you? What can they not tell you? Passive traps, especially when used in conjunction with drift fences, have proved highly effective for determining the distribution and abundance of amphibians both spatially and temporally. Many examples exist in which drift-fence ...
122. Woodruff, D.S. and G.A.E. Gall. Genetics and conservation. In
... technology alone does not offer a solution to the dilemma now facing both agriculture and conservation biology. There is a commonly held belief that biological diversity is inextricably linked to human welfare. Biological diversity refers to the variety and variability among living organisms and the ...
... technology alone does not offer a solution to the dilemma now facing both agriculture and conservation biology. There is a commonly held belief that biological diversity is inextricably linked to human welfare. Biological diversity refers to the variety and variability among living organisms and the ...
Initiates file download
... concerned, Indonesia has adopted well the integrated pest management, especially for rice. The IPM has cut down a great number and volume of pesticides used for controlling pests of rice. Yet, the long term impacts on attitude of farmers and acceptance by all concerned are still being studied. In ad ...
... concerned, Indonesia has adopted well the integrated pest management, especially for rice. The IPM has cut down a great number and volume of pesticides used for controlling pests of rice. Yet, the long term impacts on attitude of farmers and acceptance by all concerned are still being studied. In ad ...
Western Harvest Mouse (Reithrodontomys megalotis megalotis)
... The Western Harvest Mouse (Reithrodontomys megalotis) was designated by the Committee on the Status of Endangered Wildlife in Canada (COSEWIC) as a species of Special Concern because it has a limited range, and small extent of occurrence and area of occupancy. It is listed as Special Concern under S ...
... The Western Harvest Mouse (Reithrodontomys megalotis) was designated by the Committee on the Status of Endangered Wildlife in Canada (COSEWIC) as a species of Special Concern because it has a limited range, and small extent of occurrence and area of occupancy. It is listed as Special Concern under S ...
Early 20th century
... 18th and 19th century 1- Carl Linnaeus Carl Linnaeus, a Swedish naturalist and inventor of science on the economy of nature, is well known for his work with taxonomy but his ideas helped to lay the groundwork for modern ecology. He developed a two part naming system for classifying plants and animal ...
... 18th and 19th century 1- Carl Linnaeus Carl Linnaeus, a Swedish naturalist and inventor of science on the economy of nature, is well known for his work with taxonomy but his ideas helped to lay the groundwork for modern ecology. He developed a two part naming system for classifying plants and animal ...
CB/Moody
... •Do they deal effectively with data / biological uncertainty? •Is there a management plan with specified objectives, tools & rules, etc? •Is stock status acceptable, or is the fishery affecting stock ...
... •Do they deal effectively with data / biological uncertainty? •Is there a management plan with specified objectives, tools & rules, etc? •Is stock status acceptable, or is the fishery affecting stock ...
Anurans of the Everglades Agricultural Area1 - EDIS
... water, and most are herbivorous, feeding on plants. After a period of time, differing between species, the tadpole metamorphoses into an small frog or toad. All native anurans in south Florida reproduce by this method. The greenhouse frog (Eleutherodactylus planirostris), an introduced species, does ...
... water, and most are herbivorous, feeding on plants. After a period of time, differing between species, the tadpole metamorphoses into an small frog or toad. All native anurans in south Florida reproduce by this method. The greenhouse frog (Eleutherodactylus planirostris), an introduced species, does ...
WORK IN PROGRESS – NOT TO BE CITED
... have a large numbers of eggs or offspring, which will be wasted before they reach sexual maturity. Ng concludes that for animals in the wild, their pain and suffering vastly outweigh their pleasure and happiness, so the widely accepted idyllic view that the current balance of nature is overall good ...
... have a large numbers of eggs or offspring, which will be wasted before they reach sexual maturity. Ng concludes that for animals in the wild, their pain and suffering vastly outweigh their pleasure and happiness, so the widely accepted idyllic view that the current balance of nature is overall good ...
ON THE ECOLOGY OF INVASIVE SPECIES, EXTINCTION
... Chapter one provides a brief overview of the three-decade progress of invasive mammal eradication on islands. I review the history of eradication techniques developed in New Zealand, and describe some recent successes in western Mexico and Galápagos that I have been part of over the past decade. Cha ...
... Chapter one provides a brief overview of the three-decade progress of invasive mammal eradication on islands. I review the history of eradication techniques developed in New Zealand, and describe some recent successes in western Mexico and Galápagos that I have been part of over the past decade. Cha ...
LAND BIRD DENSITIES ON BAJA CALIFORNIA ISLANDS
... island-mainlandratio (mean for all sitesin the two habitats--Table 3) faced nearly as much competing biomass on the islands (three additional speciesand 277 g of consumingbiomassper km2) as on the mainland (three specieswith 341 g per km2). The Costa's Hummingbird with a 4.31:1 island-mainland ratio ...
... island-mainlandratio (mean for all sitesin the two habitats--Table 3) faced nearly as much competing biomass on the islands (three additional speciesand 277 g of consumingbiomassper km2) as on the mainland (three specieswith 341 g per km2). The Costa's Hummingbird with a 4.31:1 island-mainland ratio ...
Habitat conservation
Habitat conservation is a land management practice that seeks to conserve, protect and restore habitat areas for wild plants and animals, especially conservation reliant species, and prevent their extinction, fragmentation or reduction in range. It is a priority of many groups that cannot be easily characterized in terms of any one ideology.