Power, M.E., D. Tilman, J.A. Estes, B.A. Menge, W.J. Bond, L.S. Mills
... species would have immeasurably small mussel beds. Fagan and Hurd (1994) effects, and keystones would be rare. ( b ) In some communities, the CI distribu- did not resolve prey to species, and tion may have several modes. with kev- Rafaelli and Hall (1992) could mastone species falling into modes tha ...
... species would have immeasurably small mussel beds. Fagan and Hurd (1994) effects, and keystones would be rare. ( b ) In some communities, the CI distribu- did not resolve prey to species, and tion may have several modes. with kev- Rafaelli and Hall (1992) could mastone species falling into modes tha ...
Martin et al Australian Bird Chapter 2012
... mosaics, in which patches of one type of environment (‘habitat’) are surrounded by a matrix of a second type, which is unsuitable for use by the target species or species-group. Some Australian landscapes clearly fit this concept, especially cases where a substantial number of species are specialist ...
... mosaics, in which patches of one type of environment (‘habitat’) are surrounded by a matrix of a second type, which is unsuitable for use by the target species or species-group. Some Australian landscapes clearly fit this concept, especially cases where a substantial number of species are specialist ...
Darwin`s dream : the evolution of African cichlids
... and Tanganyika. They retraced the evolutionary history of these fish from their original benthic habitats2, as they branched out to rocky coasts and the pelagic2 zone. As they colonized these two new environments, the East African cichlids adapted their reproduction strategy in similar ways but comp ...
... and Tanganyika. They retraced the evolutionary history of these fish from their original benthic habitats2, as they branched out to rocky coasts and the pelagic2 zone. As they colonized these two new environments, the East African cichlids adapted their reproduction strategy in similar ways but comp ...
The consequences of consumer diversity loss
... 3 Present address: Marine Science Institute, University of California, Santa Barbara, California 93106-6150 USA. ...
... 3 Present address: Marine Science Institute, University of California, Santa Barbara, California 93106-6150 USA. ...
Ludwigia grandiflora
... A population of Ludwigia grandiflora, an aquatic weed from South America, has been recorded in the North West of Germany near Leer, Lower Saxony in an old branch of the River Leda, a tributary of the River Ems. This species is new to the German flora. After an initial observation of only a few indiv ...
... A population of Ludwigia grandiflora, an aquatic weed from South America, has been recorded in the North West of Germany near Leer, Lower Saxony in an old branch of the River Leda, a tributary of the River Ems. This species is new to the German flora. After an initial observation of only a few indiv ...
Chapter 3: Maryland`s Wildlife Resources and Species of Greatest
... Species of Greatest Conservation Need (GCN) This Wildlife Diversity Conservation Plan development process provided DNR the opportunity to identify species of wildlife in greatest need of conservation, as well as the key habitats that support them. Rather than focusing on a certain group or category ...
... Species of Greatest Conservation Need (GCN) This Wildlife Diversity Conservation Plan development process provided DNR the opportunity to identify species of wildlife in greatest need of conservation, as well as the key habitats that support them. Rather than focusing on a certain group or category ...
Human Appropriation of Net Primary Production as An
... and climate. Total aboveground NPP of the actual vegetation was found to be 7% less than that of the potential natural vegetation. Additionally, 34% of potential production is harvested, resulting in a total reduction of ecologically available aboveground NPP of 41%. SinGethis could have significant ...
... and climate. Total aboveground NPP of the actual vegetation was found to be 7% less than that of the potential natural vegetation. Additionally, 34% of potential production is harvested, resulting in a total reduction of ecologically available aboveground NPP of 41%. SinGethis could have significant ...
![Cats protecting birds] modelling the mesopredator release effect](http://s1.studyres.com/store/data/004792516_1-3e5044a0425037fbdc673fc59dfb3e7f-300x300.png)
Cats protecting birds] modelling the mesopredator release effect
... Island\ New Zealand\ causing the local loss of three New Zealand endemic birds\ and the complete extinc! tion of two more\ and of one species of bat\ in less than 1 years "Bell 0867#[ Introduced house mice "Mus musculus\ L[# also have a potential negative impact on vertebrate species\ by competition ...
... Island\ New Zealand\ causing the local loss of three New Zealand endemic birds\ and the complete extinc! tion of two more\ and of one species of bat\ in less than 1 years "Bell 0867#[ Introduced house mice "Mus musculus\ L[# also have a potential negative impact on vertebrate species\ by competition ...
Mammalian Biology 88th Annual Meeting of the - JKI
... of Environmental Science, University of Tehran, Karaj, Iran, E-mail address: sohrab.ashrafi@ut.ac.ir; 2 Department of Environment Protection, Tehran, Iran Approximately one fourth of the world’s existing known mammal species are endangered and lack of proper conservation strategies can lead to inappr ...
... of Environmental Science, University of Tehran, Karaj, Iran, E-mail address: sohrab.ashrafi@ut.ac.ir; 2 Department of Environment Protection, Tehran, Iran Approximately one fourth of the world’s existing known mammal species are endangered and lack of proper conservation strategies can lead to inappr ...
Ecological indicator role of butterflies in Tam Dao National Park
... study. Assessing the environmental impact on plants and animals is usually difficult and expensive. One rather easy and cheap way to monitor and assess environmental impacts on animals and plants is to use indicator species. Identifying and developing eco-indicators is considerably recent among ecol ...
... study. Assessing the environmental impact on plants and animals is usually difficult and expensive. One rather easy and cheap way to monitor and assess environmental impacts on animals and plants is to use indicator species. Identifying and developing eco-indicators is considerably recent among ecol ...
Protists in soil ecology and forest nutrient cycling
... It is worth considering when dynamics of active species should be described and when total species diversity should be compared. First, if one field site is being studied, it is fair to assume that species composition at the site will not vary from day to day or even over several months. However, th ...
... It is worth considering when dynamics of active species should be described and when total species diversity should be compared. First, if one field site is being studied, it is fair to assume that species composition at the site will not vary from day to day or even over several months. However, th ...
Killing of wild animals - Scottish Wildlife Trust
... already determined as part of Reserve management. In this context by definition this would constitute culling, with the field sport element merely incidental. 18. Where an arrangement for field sports already exists on a reserve, e.g. those by agreement, positive measures will be taken by SWT to est ...
... already determined as part of Reserve management. In this context by definition this would constitute culling, with the field sport element merely incidental. 18. Where an arrangement for field sports already exists on a reserve, e.g. those by agreement, positive measures will be taken by SWT to est ...
Caulerpa taxifolia - SE-EPPC
... eradication efforts were initiated in 2001. After six years and more than $7 million, the plant was declared to be eradicated from these two sites in July, 2007. It is not known to occur elsewhere in the United States or Canada. Ecological and Economic Impacts: The aquarium strain of Caulerpa taxifo ...
... eradication efforts were initiated in 2001. After six years and more than $7 million, the plant was declared to be eradicated from these two sites in July, 2007. It is not known to occur elsewhere in the United States or Canada. Ecological and Economic Impacts: The aquarium strain of Caulerpa taxifo ...
Study Guide B - Fort Bend ISD
... from a different population is called _________________. 2. A very cold winter has left many deer in a population hungry and sick. By the end of the winter, this population will likely decrease because of _________________. 3. A deer population experiences growth when the rate of reproduction increa ...
... from a different population is called _________________. 2. A very cold winter has left many deer in a population hungry and sick. By the end of the winter, this population will likely decrease because of _________________. 3. A deer population experiences growth when the rate of reproduction increa ...
Effects of Garden Attributes on Ant (Formicidae) Species Richness
... (http://creativecommons.org/licenses/by-nc-nd/4.0/). urban agriculture & regional food systems ...
... (http://creativecommons.org/licenses/by-nc-nd/4.0/). urban agriculture & regional food systems ...
3: Ascension Introduction Atlantic Ocean
... of any such lands shall be valid without the consent of the Governor.” Under this section the Governor may withhold consent for the use of certain tracks or in order to protect nesting sea turtles. Consent may be withheld at all times or for short periods. No sand mining is permitted at any of the b ...
... of any such lands shall be valid without the consent of the Governor.” Under this section the Governor may withhold consent for the use of certain tracks or in order to protect nesting sea turtles. Consent may be withheld at all times or for short periods. No sand mining is permitted at any of the b ...
Beak of the Fish: What Cichlid Flocks Reveal About Speciation
... these species first occurred as a result of trophic ...
... these species first occurred as a result of trophic ...
FA Schott - Biodiversity New Zealand
... A key role in biodiversity distribution, however, plays the highly variable climate which ranges from subtropical, with warm, moist conditions throughout the year, for example on the Kermadec Islands, to cloudy, humid climate, with cool, wet winters and warm, usually dry summers on the Chatham Islan ...
... A key role in biodiversity distribution, however, plays the highly variable climate which ranges from subtropical, with warm, moist conditions throughout the year, for example on the Kermadec Islands, to cloudy, humid climate, with cool, wet winters and warm, usually dry summers on the Chatham Islan ...
Extreme diversity of tropical parasitoid wasps exposed by iterative
... (see ref. 8) and may itself have more stable dynamics (9), whereas specialists are viewed as increasing food-web compartmentalization and decreasing connectance (see ref. 10). However, it is impossible to explore such ecological relationships when the species are not recognized or correctly identifi ...
... (see ref. 8) and may itself have more stable dynamics (9), whereas specialists are viewed as increasing food-web compartmentalization and decreasing connectance (see ref. 10). However, it is impossible to explore such ecological relationships when the species are not recognized or correctly identifi ...
ppt
... over time… leading to a breakdown of the correlation between phylogenetic relatedness and ecological similarity for some traits… However, even in these organisms we would still expect that a measure of ‘overall’ ecological similarity, taking many traits into account, would be correlated with phyloge ...
... over time… leading to a breakdown of the correlation between phylogenetic relatedness and ecological similarity for some traits… However, even in these organisms we would still expect that a measure of ‘overall’ ecological similarity, taking many traits into account, would be correlated with phyloge ...
Rewilding Europe with large herbivores: insights from Africa
... • We have to (re)discover the ecology of Europe’s large herbivores • Allow species to display their ’ecological potential’ • Remove the anthropogenic filters that shape their ecology ...
... • We have to (re)discover the ecology of Europe’s large herbivores • Allow species to display their ’ecological potential’ • Remove the anthropogenic filters that shape their ecology ...
shared and unique features of diversification in greater antillean
... Abstract. Examples of convergent evolution suggest that natural selection can often produce predictable evolutionary outcomes. However, unique histories among species can lead to divergent evolution regardless of their shared selective pressures—and some contend that such historical contingencies pr ...
... Abstract. Examples of convergent evolution suggest that natural selection can often produce predictable evolutionary outcomes. However, unique histories among species can lead to divergent evolution regardless of their shared selective pressures—and some contend that such historical contingencies pr ...
Habitat Fragmentation Effects on Trophic Processes of
... rearing of leafmining larvae yielded 9,944 adult leafminers (49 species of Diptera, 50 Lepidoptera, and 3 Coleoptera) and 7,515 parasitoids (more than 200 species of Hymenoptera so far identified) from which parasitism rates were calculated. There were no significant interactions between edge or int ...
... rearing of leafmining larvae yielded 9,944 adult leafminers (49 species of Diptera, 50 Lepidoptera, and 3 Coleoptera) and 7,515 parasitoids (more than 200 species of Hymenoptera so far identified) from which parasitism rates were calculated. There were no significant interactions between edge or int ...
Diversity of Interactions: A Metric for Studies of Biodiversity
... The quantitative investigation of food webs therefore requires the development of sampling schemes designed to infer the properties of the complete community food web from samples that in practice represent only a portion of the community. Current quantitative food-web investigations solve this prob ...
... The quantitative investigation of food webs therefore requires the development of sampling schemes designed to infer the properties of the complete community food web from samples that in practice represent only a portion of the community. Current quantitative food-web investigations solve this prob ...
Edge effects of long-term glades on the invertebrate abundance and
... for climate change. The proximate causes for woody plant encroachment are still poorly understood, but land use practices, including heavy grazing and anthropogenic reductions in fire regimes, are suspected to facilitate the process. Despite the recognition of woody plant encroachment as a worldwide ...
... for climate change. The proximate causes for woody plant encroachment are still poorly understood, but land use practices, including heavy grazing and anthropogenic reductions in fire regimes, are suspected to facilitate the process. Despite the recognition of woody plant encroachment as a worldwide ...
Biodiversity action plan
This article is about a conservation biology topic. For other uses of BAP, see BAP (disambiguation).A biodiversity action plan (BAP) is an internationally recognized program addressing threatened species and habitats and is designed to protect and restore biological systems. The original impetus for these plans derives from the 1992 Convention on Biological Diversity (CBD). As of 2009, 191 countries have ratified the CBD, but only a fraction of these have developed substantive BAP documents.The principal elements of a BAP typically include: (a) preparing inventories of biological information for selected species or habitats; (b) assessing the conservation status of species within specified ecosystems; (c) creation of targets for conservation and restoration; and (d) establishing budgets, timelines and institutional partnerships for implementing the BAP.