Plant Diversity Surpasses Plant Functional Groups and Plant
... establishment of model grasslands. The results indicate that temporal changes of plant community effects depend on the trophic affiliation of soil animals: plant diversity effects on decomposers only occurred after six years, changed little in herbivores, but occurred in predators after two years. T ...
... establishment of model grasslands. The results indicate that temporal changes of plant community effects depend on the trophic affiliation of soil animals: plant diversity effects on decomposers only occurred after six years, changed little in herbivores, but occurred in predators after two years. T ...
DEVELOPING THE COST OF LARGE CARNIVORE CONFLICT
... carnivore depredation regardless of the loss can be verified to that cause or not (Marker et al, 2003). In contrast, when livestock management is applied often livestock losses to carnivores can ...
... carnivore depredation regardless of the loss can be verified to that cause or not (Marker et al, 2003). In contrast, when livestock management is applied often livestock losses to carnivores can ...
CONSERVATION AREA MANAGEMENT
... representative Michigan ecosystems on a portion of DNR administered lands. Through the process, conservation objectives, targets and values, as well as biophysical, social and economic influences and considerations, will be identified, assessed, managed and monitored. (See Appendix A DNR Biodiversit ...
... representative Michigan ecosystems on a portion of DNR administered lands. Through the process, conservation objectives, targets and values, as well as biophysical, social and economic influences and considerations, will be identified, assessed, managed and monitored. (See Appendix A DNR Biodiversit ...
Can agroforestry reduce risk in subsistence agriculture
... From Chirwa, P.W.; C.R. Black; C.K. Ong; and J. Maghembe (2006). “Nitrogen dynamics in cropping systems in southern Malawi containing Gliricidia sepium, pigeonpea and maize.” Agroforestry Systems 67: 93 - 106. 51 of 38 ...
... From Chirwa, P.W.; C.R. Black; C.K. Ong; and J. Maghembe (2006). “Nitrogen dynamics in cropping systems in southern Malawi containing Gliricidia sepium, pigeonpea and maize.” Agroforestry Systems 67: 93 - 106. 51 of 38 ...
Chapter 20 Succession and Stability In 1794, Captain George
... Community changes during succession include increases in species diversity and changes in species composition. Some of the most detailed studies of ecological succession have focused on succession leading to a forest climax. Though primary and secondary forest succession requires different amounts o ...
... Community changes during succession include increases in species diversity and changes in species composition. Some of the most detailed studies of ecological succession have focused on succession leading to a forest climax. Though primary and secondary forest succession requires different amounts o ...
Ecological Divergence and Reproductive Isolation in an Amazonian
... agent in generating and maintaining Amazonian tree diversity using edaphically divergent populations of Protium subserratum. Using a combination of molecular population genetics field observations and hand-pollination experiments I: (1) Developed nuclear microsatellite markers in order to evaluate p ...
... agent in generating and maintaining Amazonian tree diversity using edaphically divergent populations of Protium subserratum. Using a combination of molecular population genetics field observations and hand-pollination experiments I: (1) Developed nuclear microsatellite markers in order to evaluate p ...
Final Report - The Rufford Foundation
... season than those of the Village Troop and the High-altitude Troop. Time spent moving was comparable across all three troops (10-20%) although it was not a major activity of the central Himalayan langur. The troops possibly need to spend more time on resting because they consume mainly leaves and al ...
... season than those of the Village Troop and the High-altitude Troop. Time spent moving was comparable across all three troops (10-20%) although it was not a major activity of the central Himalayan langur. The troops possibly need to spend more time on resting because they consume mainly leaves and al ...
` ASSESSMENT OF ECOLOGICAL FACTORS LIMITING TROPICAL
... assess various biotic and abiotic factors in the southern part of Kakamega forest to verify their contribution to regeneration. Sampling was done in six habitats using three transects of 100m and 5x5 m quadrants. Aspects looked into were soil physical-chemical parameters, micro-climate, soil seed ba ...
... assess various biotic and abiotic factors in the southern part of Kakamega forest to verify their contribution to regeneration. Sampling was done in six habitats using three transects of 100m and 5x5 m quadrants. Aspects looked into were soil physical-chemical parameters, micro-climate, soil seed ba ...
Frequencies, Microclimate and Root Properties for
... (Nobel and Jordan, 1983 ; Ehleringer, 1985 ; Nobel, 1988 ; Hickman, 1993 ; Drennan and Nobel, 1996, 1997). These three perennials all have relatively short shoots, minimizing interspecific shading, and have relatively shallow roots, facilitating examination of root deployment. Although similar in st ...
... (Nobel and Jordan, 1983 ; Ehleringer, 1985 ; Nobel, 1988 ; Hickman, 1993 ; Drennan and Nobel, 1996, 1997). These three perennials all have relatively short shoots, minimizing interspecific shading, and have relatively shallow roots, facilitating examination of root deployment. Although similar in st ...
protecting, conserving and restoring biodiversity in ontario
... apparent as species diversity, will have serious consequences on the ability of species to adapt to new stresses such as climate change and the introduction of non-native species. Causes of Problem Biodiversity loss includes all those changes that have to do with reducing or simplifying the diversit ...
... apparent as species diversity, will have serious consequences on the ability of species to adapt to new stresses such as climate change and the introduction of non-native species. Causes of Problem Biodiversity loss includes all those changes that have to do with reducing or simplifying the diversit ...
Abstract Effects of Nutrient Availability and Disturbance on the
... contributes to community stability, but is not the driving force; therefore, if the community has more species that can impact a community in a positive manner, the community is more stable. Species diversity has important effects on ecosystem services, which are a set of ecosystem processes that a ...
... contributes to community stability, but is not the driving force; therefore, if the community has more species that can impact a community in a positive manner, the community is more stable. Species diversity has important effects on ecosystem services, which are a set of ecosystem processes that a ...
Distribution and abundance of lions in northwest Tete Province
... State Geographer). The goal was to incorporate all anthropogenic land uses, where lions were least likely to be present due to human occupation, into a single digital layer called user-identified land conversion (UILC). Google Earth provides an estimate of the altitude of the viewer. We visually ins ...
... State Geographer). The goal was to incorporate all anthropogenic land uses, where lions were least likely to be present due to human occupation, into a single digital layer called user-identified land conversion (UILC). Google Earth provides an estimate of the altitude of the viewer. We visually ins ...
Chapter 12 Aquaculture
... about 39 000 hectares were affected in 2011. Malaysia estimated production losses of 0.1 billion dollars (2011). In Thailand, reports indicated annual output declines of 30–70 percent. The disease has been reported in China, Malaysia, Mexico, Thailand and Viet Nam (FAO, 2014). It is apparent that in ...
... about 39 000 hectares were affected in 2011. Malaysia estimated production losses of 0.1 billion dollars (2011). In Thailand, reports indicated annual output declines of 30–70 percent. The disease has been reported in China, Malaysia, Mexico, Thailand and Viet Nam (FAO, 2014). It is apparent that in ...
An Introduction to Wetland Seed Banks
... and Baskin 1989). Seeds with a physiological dormancy will sometimes require a complex series of enzymatic and biochemical changes, referred to as “after-ripening,” in order to germinate. In temperate climates, after-ripening is triggered by the low temperatures of winter (stratification). The after ...
... and Baskin 1989). Seeds with a physiological dormancy will sometimes require a complex series of enzymatic and biochemical changes, referred to as “after-ripening,” in order to germinate. In temperate climates, after-ripening is triggered by the low temperatures of winter (stratification). The after ...
Ecosystem Consequences of Biological Invasions
... the latter definition and ask if and how invasive species alter pools, fluxes, and mass balances of materials and energy. Tansley’s definition requires examination not only of the biology of the organisms and the physico-chemical environment, but also the processes and mechanisms that connect organisms ...
... the latter definition and ask if and how invasive species alter pools, fluxes, and mass balances of materials and energy. Tansley’s definition requires examination not only of the biology of the organisms and the physico-chemical environment, but also the processes and mechanisms that connect organisms ...
Commercial Frog Farming
... during the Spring (April and May) in temperate climates. The large, floating, jelly-like egg mass produced by a single female may cover an area about 3-5 feet square and include from 10,000 – 25,000 individual eggs. The eggs hatch in 1 – 3 weeks, depending on the water temperature, into larval frogs ...
... during the Spring (April and May) in temperate climates. The large, floating, jelly-like egg mass produced by a single female may cover an area about 3-5 feet square and include from 10,000 – 25,000 individual eggs. The eggs hatch in 1 – 3 weeks, depending on the water temperature, into larval frogs ...
Global patterns in the impact of marine herbivores on benthic
... 2002; Valentine & Duffy 2006). Knowing how benthic primary producers are controlled is crucial for understanding how marine ecosystems function and how anthropogenic impacts may ripple through marine ecosystems via indirect effects. In turn, the producer-herbivore relationship likely varies as a fun ...
... 2002; Valentine & Duffy 2006). Knowing how benthic primary producers are controlled is crucial for understanding how marine ecosystems function and how anthropogenic impacts may ripple through marine ecosystems via indirect effects. In turn, the producer-herbivore relationship likely varies as a fun ...
linking fungal diversity and community dynamics to terrestrial
... decomposition is not very common among fungi but can, for instance, be found for chytrids in cattle rumen (Trinci et al., 1994). Some soil yeasts appear to be specialized in the decomposition of small aromatic compounds, but their role in soil organic matter decomposition remains unclear (Botha, 201 ...
... decomposition is not very common among fungi but can, for instance, be found for chytrids in cattle rumen (Trinci et al., 1994). Some soil yeasts appear to be specialized in the decomposition of small aromatic compounds, but their role in soil organic matter decomposition remains unclear (Botha, 201 ...
Ecosystem services and biodiversity in Europe
... of them. As we have become more aware of our dependence and more conscious of the severe pressures that industrial society is placing on their delivery, the health of the ecosystems that provide services to us has become a matter of intense scrutiny, most recently through the UN-sponsored Millennium ...
... of them. As we have become more aware of our dependence and more conscious of the severe pressures that industrial society is placing on their delivery, the health of the ecosystems that provide services to us has become a matter of intense scrutiny, most recently through the UN-sponsored Millennium ...
Ecological functions of earthworms in soil - Wageningen UR E
... Regardless of whether they increase or decrease microbial biomass (Blair et al. 1997; Sheehan et al. 2008), earthworms usually boost microbial activity, either through ingestion and gut passage (Drake and Horn 2007; Depkat-Jakob et al. 2010), or by mixing soil with organic matter and providing favou ...
... Regardless of whether they increase or decrease microbial biomass (Blair et al. 1997; Sheehan et al. 2008), earthworms usually boost microbial activity, either through ingestion and gut passage (Drake and Horn 2007; Depkat-Jakob et al. 2010), or by mixing soil with organic matter and providing favou ...
CS 414 - Weed Science
... Certain weed control practices create conditions favorable for other pests; example is cultivating peanuts, enhancing soil-borne diseases. ...
... Certain weed control practices create conditions favorable for other pests; example is cultivating peanuts, enhancing soil-borne diseases. ...
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... First I would like to thank Professor Rudi van Aarde, my supervisor during the study period, who has stimulated me in opening up to new ideas about conservation management. I thank him for his active role in the development process of this management plan, his interest during the fieldwork period an ...
... First I would like to thank Professor Rudi van Aarde, my supervisor during the study period, who has stimulated me in opening up to new ideas about conservation management. I thank him for his active role in the development process of this management plan, his interest during the fieldwork period an ...
Biodiversity in Malaysia
... List), 13% of all plants are endangered. Other scientific studies estimate that 22% to 40% of plants will be extinct by 2050. The Food and Agricultural Organization of the United Nations (FAO) estimated that three quarters of the genetic diversity of agricultural crops have been lost in the last 100 ...
... List), 13% of all plants are endangered. Other scientific studies estimate that 22% to 40% of plants will be extinct by 2050. The Food and Agricultural Organization of the United Nations (FAO) estimated that three quarters of the genetic diversity of agricultural crops have been lost in the last 100 ...
Describing Matter
... and release that nitrogen back into the soil. The process by which these organic compounds (like proteins, amino acids, and DNA) are chemically changed back into ammonium is called ammonification. Usually, the nitrogen released (produced) by decomposers is ammonium (NH4+). This fixed nitrogen then c ...
... and release that nitrogen back into the soil. The process by which these organic compounds (like proteins, amino acids, and DNA) are chemically changed back into ammonium is called ammonification. Usually, the nitrogen released (produced) by decomposers is ammonium (NH4+). This fixed nitrogen then c ...
PDF
... Through direct restoration activity, public education, and by serving as a resource for environmental and community groups, LEPS aims to protect and restore the natural environment of Langley and the Fraser Valley and foster balanced and sustainable living. Our activities are primarily focused on th ...
... Through direct restoration activity, public education, and by serving as a resource for environmental and community groups, LEPS aims to protect and restore the natural environment of Langley and the Fraser Valley and foster balanced and sustainable living. Our activities are primarily focused on th ...