Microscale Insight into Microbial Seed Banks
... example, >90 % of microbial biomass in soils can be dormant even though organic matter content in these habitats can be quite high (Alvarez et al., 1998; Lennon and Jones, 2011; Blagodatskaya and Kuzyakov, 2013). Therefore, seed-bank dynamics may be influenced by factors other than macroscale proper ...
... example, >90 % of microbial biomass in soils can be dormant even though organic matter content in these habitats can be quite high (Alvarez et al., 1998; Lennon and Jones, 2011; Blagodatskaya and Kuzyakov, 2013). Therefore, seed-bank dynamics may be influenced by factors other than macroscale proper ...
Disturbance and Diversity in Low-Productivity
... 1977; Huston, 1994). Grime’s 1979 CSR theory (Grime, 2001) and Huston’s (1994) dynamic equilibrium model (DEM) are both based on a disturbance-by-productivity matrix (Figure 12.1). Grime (2001) described three primary plant strategies (C 5 competitors, S 5 stress tolerators, R 5 ruderal species) tha ...
... 1977; Huston, 1994). Grime’s 1979 CSR theory (Grime, 2001) and Huston’s (1994) dynamic equilibrium model (DEM) are both based on a disturbance-by-productivity matrix (Figure 12.1). Grime (2001) described three primary plant strategies (C 5 competitors, S 5 stress tolerators, R 5 ruderal species) tha ...
SAFS Suggested Restricted Electives
... 120 and 121. Current practices in fish production; relationship between the biological aspects of a species and the production systems, husbandry, management, and marketing practices utilized. Emphasis on species currently reared in California. GE credit: SE.—II. (II.) Doroshov Lecture—2 hours; labo ...
... 120 and 121. Current practices in fish production; relationship between the biological aspects of a species and the production systems, husbandry, management, and marketing practices utilized. Emphasis on species currently reared in California. GE credit: SE.—II. (II.) Doroshov Lecture—2 hours; labo ...
Recruitment limitation in secondary forests dominated by
... are two primary components of global change (Vitousek et al. 1996, 1997). These two processes are often coupled, as exotic plants are common on abandoned agricultural land (Meiners et al. 2002; Aragón & Morales 2003, Grau et al. 2003). In addition to disturbance and land use, there is a growing awar ...
... are two primary components of global change (Vitousek et al. 1996, 1997). These two processes are often coupled, as exotic plants are common on abandoned agricultural land (Meiners et al. 2002; Aragón & Morales 2003, Grau et al. 2003). In addition to disturbance and land use, there is a growing awar ...
The Economic and Social Aspects of Biodiversity Benefits and Costs
... changes in the composition of ecosystems due, for example, to the accidental or deliberate introduction of non-native species. Loss of biodiversity is our loss. The incentive to protect biodiversity does not simply arise from a benevolence towards the natural world. Rather, a high level of biodivers ...
... changes in the composition of ecosystems due, for example, to the accidental or deliberate introduction of non-native species. Loss of biodiversity is our loss. The incentive to protect biodiversity does not simply arise from a benevolence towards the natural world. Rather, a high level of biodivers ...
108790 No Species Text Q6 - Department of Environment, Water
... and commitment needed by all South Australians if we are to prevent further loss of our known native species from human impacts, and if we are to conserve biodiversity for future generations. The 100-year vision for No Species Loss is: ...
... and commitment needed by all South Australians if we are to prevent further loss of our known native species from human impacts, and if we are to conserve biodiversity for future generations. The 100-year vision for No Species Loss is: ...
University of Groningen Herbivores, resources and risks
... general, and unifies how top-down and bottom-up mechanisms depend on common underlying environmental gradients. Herbivore regulation and the implications of body size The global decline of large herbivores, owing to humaninduced land-use changes, raises concerns for the longterm conservation of spec ...
... general, and unifies how top-down and bottom-up mechanisms depend on common underlying environmental gradients. Herbivore regulation and the implications of body size The global decline of large herbivores, owing to humaninduced land-use changes, raises concerns for the longterm conservation of spec ...
`Rational use` in Antarctic waters
... 3. Any harvesting and associated activities in the area to which this Convention applies shall be conducted in accordance with the provisions of this Convention and with the following principles of conservation…” During a discussion about gill nets: “There are no substantial gill net operations at p ...
... 3. Any harvesting and associated activities in the area to which this Convention applies shall be conducted in accordance with the provisions of this Convention and with the following principles of conservation…” During a discussion about gill nets: “There are no substantial gill net operations at p ...
Grassland Ecology - Kansas State University
... The extent and diversity of grasslands and related habitats is reflected in their ecological and economic importance at local, regional, and global scales. For example, grasslands provide critical habitat for a diverse array of plants and animals. Grassland soils store tremendous quantities of carbo ...
... The extent and diversity of grasslands and related habitats is reflected in their ecological and economic importance at local, regional, and global scales. For example, grasslands provide critical habitat for a diverse array of plants and animals. Grassland soils store tremendous quantities of carbo ...
invasive ecology of exotic old world bluestem
... given to all outside sources. I understand that I am solely responsible for obtaining any needed copyright permissions. I have obtained and attached hereto needed written permission statements(s) from the owner(s) of each third-party copyrighted matter to be included in my work, allowing electronic ...
... given to all outside sources. I understand that I am solely responsible for obtaining any needed copyright permissions. I have obtained and attached hereto needed written permission statements(s) from the owner(s) of each third-party copyrighted matter to be included in my work, allowing electronic ...
Understanding Rangeland Biodiversity
... 1.1 Rangelands, biodiversity and livelihoods Rangelands are geographical regions dominated by grass and grass-like species with or without scattered woody plants, occupying between 18–23% of world land area excluding Antarctica. Rangelands are home both to significant concentrations of large mammals ...
... 1.1 Rangelands, biodiversity and livelihoods Rangelands are geographical regions dominated by grass and grass-like species with or without scattered woody plants, occupying between 18–23% of world land area excluding Antarctica. Rangelands are home both to significant concentrations of large mammals ...
Niche and metabolic principles explain patterns of diversity and
... complex ecological systems without first gaining better insight into the ecology and biogeography of simpler counterparts. Thermal diversity gradients are especially important to ecology due to the fundamental effect of temperature on metabolic and other biological rates [2] and its wide variability ...
... complex ecological systems without first gaining better insight into the ecology and biogeography of simpler counterparts. Thermal diversity gradients are especially important to ecology due to the fundamental effect of temperature on metabolic and other biological rates [2] and its wide variability ...
Chapter V Vascular plant litter input in subarctic
... vegetation shifts occur, might well be due to diet shifts of the present decomposer community rather than by changes in species composition. ...
... vegetation shifts occur, might well be due to diet shifts of the present decomposer community rather than by changes in species composition. ...
78 /. W. Martin and C. E. Cash
... The penis of the male is immediately behind the bulbous process (Fig. 18C). Its cuticle is evidently not very rigid, as it invariably displays shrinkage and some distortion upon HMDS and critical point drying for S.E.M. (Fig. 18D). It appears to be a rather soft, tubular structure covered distally w ...
... The penis of the male is immediately behind the bulbous process (Fig. 18C). Its cuticle is evidently not very rigid, as it invariably displays shrinkage and some distortion upon HMDS and critical point drying for S.E.M. (Fig. 18D). It appears to be a rather soft, tubular structure covered distally w ...
The Influence of People`s Practices and Beliefs on Conservation: A
... To collect information on the factors that influenced local livestock management practices, the researchers selectively framed questions and asked them during the informal interviews. As a first step, the questions were tested randomly on a few villagers. The collected information suggested that vil ...
... To collect information on the factors that influenced local livestock management practices, the researchers selectively framed questions and asked them during the informal interviews. As a first step, the questions were tested randomly on a few villagers. The collected information suggested that vil ...
South Australian Arid Lands Biodiversity Strategy
... bioregion in the next five years. This document is one of five bioregional biodiversity strategies that, together, contribute to the South Australian Arid Lands Biodiversity Strategy The Conservation Priorities described here have been identified in the SAAL portion of the Gawler bioregion. The Gawl ...
... bioregion in the next five years. This document is one of five bioregional biodiversity strategies that, together, contribute to the South Australian Arid Lands Biodiversity Strategy The Conservation Priorities described here have been identified in the SAAL portion of the Gawler bioregion. The Gawl ...
Biodiversity and ecosystem services: does species diversity
... ecosystem services and biodiversity but a saturating relation is most likely, where effectiveness increases with increasing biodiversity levels until a saturation point is reached, where additional species no longer leads to an increase in service level. The main focus in the reviewed literature lie ...
... ecosystem services and biodiversity but a saturating relation is most likely, where effectiveness increases with increasing biodiversity levels until a saturation point is reached, where additional species no longer leads to an increase in service level. The main focus in the reviewed literature lie ...
Schedonorus pratensis
... start acting against the infection. It should be noted though that any effects of litter quality on litter ...
... start acting against the infection. It should be noted though that any effects of litter quality on litter ...
Knapweeds
... Several insects have been released in North America to control the spread of the different types of knapweed. Only Russian knapweed is present in sufficient numbers to make a biological control program feasible. A gall nemotode (Subanguina picridis) is available for Russian knapweed but control leve ...
... Several insects have been released in North America to control the spread of the different types of knapweed. Only Russian knapweed is present in sufficient numbers to make a biological control program feasible. A gall nemotode (Subanguina picridis) is available for Russian knapweed but control leve ...
Plant Diversity Affects Performance of Invasive Thistles in Restored
... recent disturbance or opening caused by fire, flooding or overgrazing. If there are no natural enemies to control its population, whether it is insects, herbivores, or pathogens, an invasive may be more successful. Additionally, an invasive species can establish by directly outcompeting a native pla ...
... recent disturbance or opening caused by fire, flooding or overgrazing. If there are no natural enemies to control its population, whether it is insects, herbivores, or pathogens, an invasive may be more successful. Additionally, an invasive species can establish by directly outcompeting a native pla ...
Fulltext - ETH E
... Experiments that manipulated plant species richness in temperate grasslands have generally found that species richness increased plant productivity. It has often been suggested that this is due to complementary use of resources—such as nitrogen—by plant species. Complementarity, e.g., in space, chem ...
... Experiments that manipulated plant species richness in temperate grasslands have generally found that species richness increased plant productivity. It has often been suggested that this is due to complementary use of resources—such as nitrogen—by plant species. Complementarity, e.g., in space, chem ...
Theme 1. Protection of Natural Resources
... increasing resource consumption rates. The global decline of biodiversity is now recognized as one of the most serious environmental issues facing humanity. Recognition of the worldwide impact of the decline of biodiversity inspired the global community to negotiate the United Nations Convention on ...
... increasing resource consumption rates. The global decline of biodiversity is now recognized as one of the most serious environmental issues facing humanity. Recognition of the worldwide impact of the decline of biodiversity inspired the global community to negotiate the United Nations Convention on ...
The role of diversity in savannas: modelling plant functional diversity
... Semi-arid savanna ecosystems are in their functioning and vegetation composition direct outcomes of long-term environmental framing conditions. A main factor determining the fate of those savannas is rainfall. Besides setting the overall boundaries for semi-arid savannas (see chapter 0.1), the overa ...
... Semi-arid savanna ecosystems are in their functioning and vegetation composition direct outcomes of long-term environmental framing conditions. A main factor determining the fate of those savannas is rainfall. Besides setting the overall boundaries for semi-arid savannas (see chapter 0.1), the overa ...
TOWARD A STRATEGY FOR THE CONSERVATION AND
... stretch from eastern Europe, through Kazakhstan and western Russia, the high elevations of the Himalaya– Hindu Kush and Tibetan Plateau, to Mongolia, northern China, and Siberian Russia. The Specialist Group also works with the grasslands in the temperate latitudes of southeast Australia, New Zealan ...
... stretch from eastern Europe, through Kazakhstan and western Russia, the high elevations of the Himalaya– Hindu Kush and Tibetan Plateau, to Mongolia, northern China, and Siberian Russia. The Specialist Group also works with the grasslands in the temperate latitudes of southeast Australia, New Zealan ...
Mycorrhizal Fungi in Successional Environments
... As ammonium becomes the major source of N, N replaces P as a main growth-limiting element. As a result, EM plants tend to predominate, organic matter accumulates, and base depletion proceeds. In this environment, plants with ericoid mycorrhizal associations become more important because of their abi ...
... As ammonium becomes the major source of N, N replaces P as a main growth-limiting element. As a result, EM plants tend to predominate, organic matter accumulates, and base depletion proceeds. In this environment, plants with ericoid mycorrhizal associations become more important because of their abi ...