Production - Palomar College
... Pastoralism is an economic system primarily based upon herds of domestic livestock. – Seasonal Transhumance: Regular movement between different ecotones on a seasonal basis. The same routes and pastures are typically used every year. ...
... Pastoralism is an economic system primarily based upon herds of domestic livestock. – Seasonal Transhumance: Regular movement between different ecotones on a seasonal basis. The same routes and pastures are typically used every year. ...
COMPOSTING Duane Friend Educator in Environmental Stewardship and Energy
... • Affects rate of decomposition • The smaller the size, the more surface area provided for microbes to work on • Very small particles limits oxygen • Ideal range 1/8 to ½ inch University of Illinois Extension ...
... • Affects rate of decomposition • The smaller the size, the more surface area provided for microbes to work on • Very small particles limits oxygen • Ideal range 1/8 to ½ inch University of Illinois Extension ...
Exploitation or Conservation: Can Wildlife Tourism Help Conserve
... The case study also provided some interesting insights into the ethical orientation of the operators, providing some insight into the relevance and applicability of Fennell and Malloy‟s (1998) taxonomy. Operator Ethics The case study illustrates some key problems operators face when attempting to in ...
... The case study also provided some interesting insights into the ethical orientation of the operators, providing some insight into the relevance and applicability of Fennell and Malloy‟s (1998) taxonomy. Operator Ethics The case study illustrates some key problems operators face when attempting to in ...
Prairie Ecosystem Management - Alberta Prairie Conservation Forum
... million hectares, or 75 percent of prairie Canada has been cultivated–68 percent (31.6 million ha) of Alberta's prairie, 80 percent (50.0 million ha) of Saskatchewan's prairie and 78 percent (13.1 million ha) of Manitoba's prairie regions (Statistics Canada 1992). In prairie Alberta, there are about ...
... million hectares, or 75 percent of prairie Canada has been cultivated–68 percent (31.6 million ha) of Alberta's prairie, 80 percent (50.0 million ha) of Saskatchewan's prairie and 78 percent (13.1 million ha) of Manitoba's prairie regions (Statistics Canada 1992). In prairie Alberta, there are about ...
Presentation
... • Pink hibiscus mealybug (PHM) has been a major pest in the Caribbean basin • PHM appeared in Florida in June 2002 • No eradication attempt was made • Biological controls of PHM are determined to work well ...
... • Pink hibiscus mealybug (PHM) has been a major pest in the Caribbean basin • PHM appeared in Florida in June 2002 • No eradication attempt was made • Biological controls of PHM are determined to work well ...
Woodlands - Landuse - Conservation Management Networks
... of your historical society may prove helpful sources of knowledge for this activity. Ask students if they know, or from the map, can they see the feature/s after which a place is named. Be sure to ask students if there have been any changes, eg if a place means 'place of fish' or other animal or pla ...
... of your historical society may prove helpful sources of knowledge for this activity. Ask students if they know, or from the map, can they see the feature/s after which a place is named. Be sure to ask students if there have been any changes, eg if a place means 'place of fish' or other animal or pla ...
Sustainable Wildlife Management and Human-Wildlife Conflict
... Sustainable wildlife management (SWM) is the sound management of wildlife species to sustain their populations and habitat over time, taking into account the socioeconomic needs of human populations. This requires that all land-users within the wildlife habitat are aware of and consider the effects ...
... Sustainable wildlife management (SWM) is the sound management of wildlife species to sustain their populations and habitat over time, taking into account the socioeconomic needs of human populations. This requires that all land-users within the wildlife habitat are aware of and consider the effects ...
Teachers` notes
... Where did they come from and where are they going! Historically, many heathlands are the result of humans clearing the landscape for agriculture and timber. If left unmanaged, many would gradually undergo succession to form a forest. Many heathlands are managed carefully to maintain them as a heathl ...
... Where did they come from and where are they going! Historically, many heathlands are the result of humans clearing the landscape for agriculture and timber. If left unmanaged, many would gradually undergo succession to form a forest. Many heathlands are managed carefully to maintain them as a heathl ...
Ecological Risk Assessment of Non
... Exotic Earthworms in Recently Glaciated Portions of North America In the recently glaciated portions of the United States, the most dramatic impacts of exotic earthworms are generally limited to northern deciduous forest habitats. To further define the area: “Part of it [forest] consists of mixed st ...
... Exotic Earthworms in Recently Glaciated Portions of North America In the recently glaciated portions of the United States, the most dramatic impacts of exotic earthworms are generally limited to northern deciduous forest habitats. To further define the area: “Part of it [forest] consists of mixed st ...
Communication, Education and Public Awareness Programs
... which represent larger ecosystems and ecological processes. For example, a planner may choose a threatened bird as a way to generate interest and enthusiasm in conservation, and as a way to begin discussions about the habitats and ecological processes that sustain the bird. Similarly, a planner migh ...
... which represent larger ecosystems and ecological processes. For example, a planner may choose a threatened bird as a way to generate interest and enthusiasm in conservation, and as a way to begin discussions about the habitats and ecological processes that sustain the bird. Similarly, a planner migh ...
Review article Annual intercrops: an alternative pathway for
... component crops (Willey, 1985). Yield advantage occurs because growth resources such as light, water, and nutrients are more completely absorbed and converted to crop biomass by the intercrop over time and space as a result of differences in competitive ability for growth resources between the compo ...
... component crops (Willey, 1985). Yield advantage occurs because growth resources such as light, water, and nutrients are more completely absorbed and converted to crop biomass by the intercrop over time and space as a result of differences in competitive ability for growth resources between the compo ...
Similar biotic factors affect early establishment and abundance of an
... nutrient availability relieve exotic species from competitive effects imposed by native species (Davis et al. 2000). Negative effects of resource additions might arise when native species positively respond to increases in a given resource, reducing the availability of other resources (e.g., light, ...
... nutrient availability relieve exotic species from competitive effects imposed by native species (Davis et al. 2000). Negative effects of resource additions might arise when native species positively respond to increases in a given resource, reducing the availability of other resources (e.g., light, ...
Similar biotic factors affect early establishment and abundance of an
... nutrient availability relieve exotic species from competitive effects imposed by native species (Davis et al. 2000). Negative effects of resource additions might arise when native species positively respond to increases in a given resource, reducing the availability of other resources (e.g., light, ...
... nutrient availability relieve exotic species from competitive effects imposed by native species (Davis et al. 2000). Negative effects of resource additions might arise when native species positively respond to increases in a given resource, reducing the availability of other resources (e.g., light, ...
ICCF Partners in Conservation
... portfolio will continue to evolve as new Conservation Council members join ICCF to give all of our conservation partners’ methodologies an opportunity to be showcased. Please savor the stories and photos, and share them with your family, friends, and colleagues. Be inspired as I am to put your faith ...
... portfolio will continue to evolve as new Conservation Council members join ICCF to give all of our conservation partners’ methodologies an opportunity to be showcased. Please savor the stories and photos, and share them with your family, friends, and colleagues. Be inspired as I am to put your faith ...
A conservation plan for a global biodiversity hotspot— the Cape
... vulnerability of areas to processes that threaten biodiversity as a key determinant (along with conservation value) for scheduling conservation action; conservationworthy sites that are vulnerable in the short-term are priorities for immediate action (see also Pressey and Taffs, 2001). Conservation p ...
... vulnerability of areas to processes that threaten biodiversity as a key determinant (along with conservation value) for scheduling conservation action; conservationworthy sites that are vulnerable in the short-term are priorities for immediate action (see also Pressey and Taffs, 2001). Conservation p ...
Cultural Geographies
... marginal land into agricultural production and so on). On the flipside, many conservationists argue that ‘traditional’, non-intensive farming practices play a positive role in supporting biodiversity. Because most of Europe’s land has been shaped by centuries of human use, current plant and animal p ...
... marginal land into agricultural production and so on). On the flipside, many conservationists argue that ‘traditional’, non-intensive farming practices play a positive role in supporting biodiversity. Because most of Europe’s land has been shaped by centuries of human use, current plant and animal p ...
ground and tiger beetles - Department of Entomology
... Carabid beetles play a major role in agroecosystems by contributing to the mortality of weed seeds, insects, and slugs. They can consume up to their body weight daily. They eat a wide variety of pest organisms including aphids, moth larvae (such as armyworm, cutworm and gypsy moth larvae), beetle la ...
... Carabid beetles play a major role in agroecosystems by contributing to the mortality of weed seeds, insects, and slugs. They can consume up to their body weight daily. They eat a wide variety of pest organisms including aphids, moth larvae (such as armyworm, cutworm and gypsy moth larvae), beetle la ...
Plant functional traits and soil carbon sequestration in contrasting
... of carbon loss through respiration. Shoot respiration accounts for most of this difference, because root respiration rates of slow-growing species are high due to their low efficiency of N-acquisition (Lambers et al. 1998). Plant traits involved in carbon and nutrient cycling appear strongly coupled ...
... of carbon loss through respiration. Shoot respiration accounts for most of this difference, because root respiration rates of slow-growing species are high due to their low efficiency of N-acquisition (Lambers et al. 1998). Plant traits involved in carbon and nutrient cycling appear strongly coupled ...
Soil water content and emergence time control seedling
... Abstract: Tree species can differ in their responses to resource availability during the critical phase of establishment, which could influence forest dynamics. In Mediterranean forests, most of the attention has focused on the effects of shade and summer drought on seedling survival, but little is ...
... Abstract: Tree species can differ in their responses to resource availability during the critical phase of establishment, which could influence forest dynamics. In Mediterranean forests, most of the attention has focused on the effects of shade and summer drought on seedling survival, but little is ...
Socioecological adaptations by chimpanzees, Pan troglodytes verus
... MS. number: 10-00827R Keywords: activity budget anthropogenic risk chimpanzee nutritional advantage Pan troglodytes verus party size ...
... MS. number: 10-00827R Keywords: activity budget anthropogenic risk chimpanzee nutritional advantage Pan troglodytes verus party size ...
Welcome to ITRC`s Internet Training - CLU-IN
... The information in ITRC Products was formulated to be reliable and accurate. However, the information is provided "as is" and use of this information is at the users’ own risk. Information in ITRC Products is for general reference only; it should not be construed as definitive guidance for any speci ...
... The information in ITRC Products was formulated to be reliable and accurate. However, the information is provided "as is" and use of this information is at the users’ own risk. Information in ITRC Products is for general reference only; it should not be construed as definitive guidance for any speci ...
Plant functional traits and soil carbon sequestration in contrasting
... nutrient acquisition from soil, especially of N and P (Smith & Read 1997). Moreover, mycorrhizal fungi can reduce soil carbon loss by immobilizing carbon in their mycelium, by extending root lifespan and by improving carbon sequestration in soil aggregates (Langley et al. 2006; Rillig & Mummey 2006) ...
... nutrient acquisition from soil, especially of N and P (Smith & Read 1997). Moreover, mycorrhizal fungi can reduce soil carbon loss by immobilizing carbon in their mycelium, by extending root lifespan and by improving carbon sequestration in soil aggregates (Langley et al. 2006; Rillig & Mummey 2006) ...
Landscape elements: patches, corridors, boundaries in a
... Similar deleterious edge effects have been found for plant growth and seed dispersal. Although certain taxa may be favored by ecotonal conditions (such as nest predators), boundaries can act as ecological traps: because they often have more sunlight, edges favor growth of weeds, which have lots of s ...
... Similar deleterious edge effects have been found for plant growth and seed dispersal. Although certain taxa may be favored by ecotonal conditions (such as nest predators), boundaries can act as ecological traps: because they often have more sunlight, edges favor growth of weeds, which have lots of s ...
A synthetic review of feedbacks and drivers of shrub encroachment
... increases the gradients between ambient and intracellular CO2 concentrations, thereby enhancing water-use efficiency (Mooney and Cleland 2001) and reducing the competitiveness of C4 plants. Thus, the shift from grassland to shrubland conditions could have been favoured by the increase in the levels o ...
... increases the gradients between ambient and intracellular CO2 concentrations, thereby enhancing water-use efficiency (Mooney and Cleland 2001) and reducing the competitiveness of C4 plants. Thus, the shift from grassland to shrubland conditions could have been favoured by the increase in the levels o ...
long-term prospects for certified organic aquaculture products
... proposed organic aquaculture rule (Mark Keating, National Organic Program, 2001, personal communication). In addition, the Organic Food Production Act specifically states that “on or after October 1, 1993 a person may sell or label an agricultural product as organically produced only if such product ...
... proposed organic aquaculture rule (Mark Keating, National Organic Program, 2001, personal communication). In addition, the Organic Food Production Act specifically states that “on or after October 1, 1993 a person may sell or label an agricultural product as organically produced only if such product ...