第八週
... • Common flaws of studies (cont.). – Scientists do not study systems at random may work in systems where competition is more likely to occur ...
... • Common flaws of studies (cont.). – Scientists do not study systems at random may work in systems where competition is more likely to occur ...
Deep-Sea Fish Behavioral Responses to Underwater
... South Africa 1. Introduction Fishes have a wide range of perceptual capabilities allowing them to behaviorally respond to various environmental stimuli such as visual, acoustic, mechanical, chemical, and electromagnetic signals. In our “noisy” world of today many artificially evoked signals pass thr ...
... South Africa 1. Introduction Fishes have a wide range of perceptual capabilities allowing them to behaviorally respond to various environmental stimuli such as visual, acoustic, mechanical, chemical, and electromagnetic signals. In our “noisy” world of today many artificially evoked signals pass thr ...
adaptive radiation driven by the interplay of eco
... temporal scales. For example, the connections between populations may vary due to glaciations and postglacial secondary contacts (Hewitt 2000; Young et al. 2002; Zhang et al. 2008). Global climatic variations and geological processes may cause sea level changes, resulting in repetitive separations a ...
... temporal scales. For example, the connections between populations may vary due to glaciations and postglacial secondary contacts (Hewitt 2000; Young et al. 2002; Zhang et al. 2008). Global climatic variations and geological processes may cause sea level changes, resulting in repetitive separations a ...
2. Guidelines for Identifying Threats
... Evidence is commonly defined as the available body of facts or information indicating whether a belief or proposition is true or valid. Evidence-based practice implies that conclusions and decisions about the object of study are based on the best available evidence from a wide variety of sources, an ...
... Evidence is commonly defined as the available body of facts or information indicating whether a belief or proposition is true or valid. Evidence-based practice implies that conclusions and decisions about the object of study are based on the best available evidence from a wide variety of sources, an ...
NATURAL HISTORY AND CONSERVATION OF THE EYELASH
... The importance of studying the ecology of predators is often acknowledged, yet little work on this trophic level has occurred in the tropics (Greene, 1988). The impact of predators on terrestrial communities may range from direct effects on prey populations to indirect influences on processes such a ...
... The importance of studying the ecology of predators is often acknowledged, yet little work on this trophic level has occurred in the tropics (Greene, 1988). The impact of predators on terrestrial communities may range from direct effects on prey populations to indirect influences on processes such a ...
Norwegian Institute for Nature Research NINA
... competence and promote mutual benefits for all parties. We are also involved in institutional development aimed at generating sustainable research and management institutions. Achieving sustainable management of natural resources requires comprehensive expertise and relevant scientific knowledge, su ...
... competence and promote mutual benefits for all parties. We are also involved in institutional development aimed at generating sustainable research and management institutions. Achieving sustainable management of natural resources requires comprehensive expertise and relevant scientific knowledge, su ...
The artificial incubation of kiwi eggs: a conservation tool
... With the advances in kiwi egg incubation we have made over the last 10 years, it is possible to achieve and maintain consistently high hatching success— over 90% on average at Kiwi Encounter. However, we still have to deal with problems with eggs that come in from the wild cracked or damaged, embr ...
... With the advances in kiwi egg incubation we have made over the last 10 years, it is possible to achieve and maintain consistently high hatching success— over 90% on average at Kiwi Encounter. However, we still have to deal with problems with eggs that come in from the wild cracked or damaged, embr ...
REPTILES AMPHIBIANS - Delaware ENVIROTHON
... Like the Map Turtle, wild Wood Turtles have only been documented in this area from the lower Susquehanna drainage. Potentially, they could be found here, so if you think you’ve run across one, be sure to document it fully. Preferred habitats are along freshwater rivers and streams, though in other p ...
... Like the Map Turtle, wild Wood Turtles have only been documented in this area from the lower Susquehanna drainage. Potentially, they could be found here, so if you think you’ve run across one, be sure to document it fully. Preferred habitats are along freshwater rivers and streams, though in other p ...
A network approach for inferring species associations from co
... to account for the additional broad-scale constraints, introducing unrealistic null expectations of spatial independence across randomized sites that disregard spatial autocorrelation in species’ distributions (Legendre 1993, Lennon 2000). In the framework we present here, we suggest that alternativ ...
... to account for the additional broad-scale constraints, introducing unrealistic null expectations of spatial independence across randomized sites that disregard spatial autocorrelation in species’ distributions (Legendre 1993, Lennon 2000). In the framework we present here, we suggest that alternativ ...
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 ...
Managing arboreal mammals during road
... with radio transmitter collars that had a mortality switch, so they changed the transmitting frequency if the animal did not move for 3-4 hours, allowing us to detect and collect dead individuals and investigate the cause of mortality. Three male western ringtail possums were found near the road ali ...
... with radio transmitter collars that had a mortality switch, so they changed the transmitting frequency if the animal did not move for 3-4 hours, allowing us to detect and collect dead individuals and investigate the cause of mortality. Three male western ringtail possums were found near the road ali ...
African Elephant
... Elephant Background: Elephants are the largest land animals in the world. There are two species of elephant; African elephants and Asian elephants. The two species play similar roles ecologically, but differ in physical characteristics and range. African Elephant: African elephants are found in sub- ...
... Elephant Background: Elephants are the largest land animals in the world. There are two species of elephant; African elephants and Asian elephants. The two species play similar roles ecologically, but differ in physical characteristics and range. African Elephant: African elephants are found in sub- ...
Habitat productivity constrains the distribution of social spiders
... selected drivers (productivity and seasonality) may affect the abundance of potential prey insects, but seasonality may further directly affect survival due to mortality caused by extreme climatic events. Based on a comprehensive dataset including information about the distribution of three independ ...
... selected drivers (productivity and seasonality) may affect the abundance of potential prey insects, but seasonality may further directly affect survival due to mortality caused by extreme climatic events. Based on a comprehensive dataset including information about the distribution of three independ ...
Slides
... MaxEnt is a machine learning technique that can be used to predict plant or animal distribution. Compare species occurrences over a study area to a set of relevant environmental factors, such as vegetation or soil. Estimates spatial distribution of the species by assuming nothing about which is u ...
... MaxEnt is a machine learning technique that can be used to predict plant or animal distribution. Compare species occurrences over a study area to a set of relevant environmental factors, such as vegetation or soil. Estimates spatial distribution of the species by assuming nothing about which is u ...
- the MSRI Knowledge Hub
... Main activities and achievements - Tajikistan Achievements New hunting law gives full mandate for hunting all over Tajikistan (this means not only in forests) to State Agency of Forestry (SAF) => less competing responsibilities in different agencies/authorities Drafts of bylaws and other laws c ...
... Main activities and achievements - Tajikistan Achievements New hunting law gives full mandate for hunting all over Tajikistan (this means not only in forests) to State Agency of Forestry (SAF) => less competing responsibilities in different agencies/authorities Drafts of bylaws and other laws c ...
Ecological and evolutionary responses in complex communities
... S. Y. Strauss ([email protected]), Dept of Evolution and Ecology, University of California at Davis, Davis, CA 95616, USA. ...
... S. Y. Strauss ([email protected]), Dept of Evolution and Ecology, University of California at Davis, Davis, CA 95616, USA. ...
Great Basin naturalist memoirs
... predation and competition, have been advanced as the ultimate cause of the patterns. We outline the wav in which each of these factors could produce observed community-level patterns and review the evidence for the action of each factor. We conclude that the "competition" hypothesis has more support ...
... predation and competition, have been advanced as the ultimate cause of the patterns. We outline the wav in which each of these factors could produce observed community-level patterns and review the evidence for the action of each factor. We conclude that the "competition" hypothesis has more support ...
DE Science Elementary What is Succession?
... usually reintroduced to the ecosystem more quickly than happens during primary succession. Plant and animal communities already existed before the disturbance that leads to secondary succession. Therefore, the soil is often richer than in areas where primary succession occurs. Also, some species may ...
... usually reintroduced to the ecosystem more quickly than happens during primary succession. Plant and animal communities already existed before the disturbance that leads to secondary succession. Therefore, the soil is often richer than in areas where primary succession occurs. Also, some species may ...
19-Population ecology
... (Figure 19.3). Different distributions reflect important aspects of the biology of the species; they also affect the mathematical methods required to estimate population sizes. An example of random distribution occurs with dandelion and other plants that have wind-dispersed seeds that germinate wher ...
... (Figure 19.3). Different distributions reflect important aspects of the biology of the species; they also affect the mathematical methods required to estimate population sizes. An example of random distribution occurs with dandelion and other plants that have wind-dispersed seeds that germinate wher ...
Disturbance regime and limits on benefits of - Everglades-HUB
... of variation in refuge use is the characteristics of the species composing the community in the disturbed habitat because species vary in their susceptibility and responses to disturbance (Woodin 1978, Davey et al. 2006). A closed equilibrium community is comprised solely of species with life histor ...
... of variation in refuge use is the characteristics of the species composing the community in the disturbed habitat because species vary in their susceptibility and responses to disturbance (Woodin 1978, Davey et al. 2006). A closed equilibrium community is comprised solely of species with life histor ...
Benthic use of phytoplankton blooms: Agnes M. L. Karlson
... Three main hypotheses that relate the responses of ecosystem processes to reductions in species richness have been proposed (e.g. Lawton 1994). First, the linear, “rivet” hypothesis suggests that all species contribute to ecosystem function (e.g. Lawton 1994). Second, the “redundancy” hypothesis sug ...
... Three main hypotheses that relate the responses of ecosystem processes to reductions in species richness have been proposed (e.g. Lawton 1994). First, the linear, “rivet” hypothesis suggests that all species contribute to ecosystem function (e.g. Lawton 1994). Second, the “redundancy” hypothesis sug ...
Generalist Predators (Coleoptera: Carabidae, Staphylinidae
... acreage and importance in Ontario (OMAFRA 2008) and the northeastern United States (USSPC 2008) in recent years, and several pests have been recognized (OMAFRA 2008). Information about the composition of the arthropod community inhabiting the sweet potato agroecosystem in northeastern North America, ...
... acreage and importance in Ontario (OMAFRA 2008) and the northeastern United States (USSPC 2008) in recent years, and several pests have been recognized (OMAFRA 2008). Information about the composition of the arthropod community inhabiting the sweet potato agroecosystem in northeastern North America, ...
Ecological Society of America - Wentworth Group of Concerned
... 153o30’ longitude and –26o30’ and –28o00’ latitudes (six 1:100,000 scale map sheets) from southeast Queensland, Australia, as this was an area with relatively high data density from this period. We selected this dataset for its long time frame and non-standardized methodology. Reporting rates on sho ...
... 153o30’ longitude and –26o30’ and –28o00’ latitudes (six 1:100,000 scale map sheets) from southeast Queensland, Australia, as this was an area with relatively high data density from this period. We selected this dataset for its long time frame and non-standardized methodology. Reporting rates on sho ...
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.