Resource pulses, species interactions, and diversity maintenance in
... plant phenology (Schlesinger et al. 1987), but at 200– 500 cm, soil water content is relatively invariant and so low as to minimize plant extraction rates (Andraski 1997). As the availability of resources, such as water, fluctuates, so too do activity levels in plants, and thus we also expect fluctu ...
... plant phenology (Schlesinger et al. 1987), but at 200– 500 cm, soil water content is relatively invariant and so low as to minimize plant extraction rates (Andraski 1997). As the availability of resources, such as water, fluctuates, so too do activity levels in plants, and thus we also expect fluctu ...
2005ecology
... August. All sedentary insects on the plants were counted and identified to species in the field where possible. Individuals that were not readily identifiable were collected for identification. Arthropods were only considered to be herbivores if they were observed feeding on the plant or were known ...
... August. All sedentary insects on the plants were counted and identified to species in the field where possible. Individuals that were not readily identifiable were collected for identification. Arthropods were only considered to be herbivores if they were observed feeding on the plant or were known ...
Microbial ecology of biological invasions
... including mycorrhizal fungi, nitrogen-fixing bacteria and other plant-growth-promoting rhizobacteria (PGPR). These microbes can stimulate plant growth and reproduction by providing their hosts with services such as increased access to limiting nutrients (e.g., N, P) and protection from pathogens. In ...
... including mycorrhizal fungi, nitrogen-fixing bacteria and other plant-growth-promoting rhizobacteria (PGPR). These microbes can stimulate plant growth and reproduction by providing their hosts with services such as increased access to limiting nutrients (e.g., N, P) and protection from pathogens. In ...
the usefulness of ecological niche concepts in understanding plant
... of coexisting species can be expected involving phenotypic plasticity, investment in mechanisms or structures to overcome difficult periods, or fitting of the life cycle to the favorable periods. The interaction of the ‘fluctuating niche’ with those niches proposed by Grubb (1977) increases the numb ...
... of coexisting species can be expected involving phenotypic plasticity, investment in mechanisms or structures to overcome difficult periods, or fitting of the life cycle to the favorable periods. The interaction of the ‘fluctuating niche’ with those niches proposed by Grubb (1977) increases the numb ...
Slide 1
... 5. Scientists make a genetically engineered form of tobacco plant that can take up mercury and incorporate it into the leaves. They then plant these tobacco crops on a mercurycontaminated waste site, allow the plants to grow, and harvest them. Which of the following techniques fits this ...
... 5. Scientists make a genetically engineered form of tobacco plant that can take up mercury and incorporate it into the leaves. They then plant these tobacco crops on a mercurycontaminated waste site, allow the plants to grow, and harvest them. Which of the following techniques fits this ...
Agriculture, Ecosystems and Environment The
... among ecosystem attributes, processes/functions, services and biodiversity are continually being clarified, especially to make them more easily applied to management (Wallace, 2007; Mace et al., 2012). For example, biodiversity in itself may not be a service, but its maintenance can be. It has recent ...
... among ecosystem attributes, processes/functions, services and biodiversity are continually being clarified, especially to make them more easily applied to management (Wallace, 2007; Mace et al., 2012). For example, biodiversity in itself may not be a service, but its maintenance can be. It has recent ...
Wildlife - Georgia Envirothon
... The Flow of Energy Through Ecosystems The movement of energy in a one-way direction through an ecosystem is called energy flow. All energy in an ecosystem begins with the energy from sunlight. Some of the energy is stored by plants in sugars made by photosynthesis. The energy is passed on to herbivo ...
... The Flow of Energy Through Ecosystems The movement of energy in a one-way direction through an ecosystem is called energy flow. All energy in an ecosystem begins with the energy from sunlight. Some of the energy is stored by plants in sugars made by photosynthesis. The energy is passed on to herbivo ...
Plankton Sinking Slowly
... larvae of aquatic animals. Protozoa are one-celled organisms that lack chlorophyll, so they must catch their own food and thus are considered consumers. Zooplankton are most abundant in fertile waters where phytoplankton is abundant. Examples of zooplankton that are commonly found include- water fle ...
... larvae of aquatic animals. Protozoa are one-celled organisms that lack chlorophyll, so they must catch their own food and thus are considered consumers. Zooplankton are most abundant in fertile waters where phytoplankton is abundant. Examples of zooplankton that are commonly found include- water fle ...
Hamster, Cricetus cricetus - European Commission
... Hamsters occur in most annual crops, but cereals and perennial fodder crops are preferred. Perennial crops and mixtures of grasses and legumes are particularly important as they offer more continuous food availability, shelter and lower disturbance than cereal crops; they also act as refuges when ot ...
... Hamsters occur in most annual crops, but cereals and perennial fodder crops are preferred. Perennial crops and mixtures of grasses and legumes are particularly important as they offer more continuous food availability, shelter and lower disturbance than cereal crops; they also act as refuges when ot ...
Biome Sorting
... Although the forces of plate tectonics are slow, they are not gentle. As the plates move, mountain ranges are uplifted, ocean basins are ripped apart, and continents that were once near the Equator are now near the Poles. Oceans that were once warm are now cold. Areas that once received heavy rainfa ...
... Although the forces of plate tectonics are slow, they are not gentle. As the plates move, mountain ranges are uplifted, ocean basins are ripped apart, and continents that were once near the Equator are now near the Poles. Oceans that were once warm are now cold. Areas that once received heavy rainfa ...
CAMo: from molecules to modeling PROVISIONAL Abstract Collection
... of interactions among viruses, insect vectors and host plants, including thrips transmitted Iris yellow spot virus (IYSV), aphid transmitted cucurbit viruses (Zucchini yellow mosaic virus (ZYMV), Watermelon mosaic virus (WMV), Cucumber mosaic virus, CMV), etc. Our research objective will focus on IY ...
... of interactions among viruses, insect vectors and host plants, including thrips transmitted Iris yellow spot virus (IYSV), aphid transmitted cucurbit viruses (Zucchini yellow mosaic virus (ZYMV), Watermelon mosaic virus (WMV), Cucumber mosaic virus, CMV), etc. Our research objective will focus on IY ...
Forest Environment
... glucose, which stores energy captured from the sun. Oxygen is a byproduct. 2. Water is required for most metabolic activities and serves as a vehicle to carry materials through a tree. A large tree may move as much as 50-100 gallons of water on a hot summer day. 3. Nutrients. It’s not how much of a ...
... glucose, which stores energy captured from the sun. Oxygen is a byproduct. 2. Water is required for most metabolic activities and serves as a vehicle to carry materials through a tree. A large tree may move as much as 50-100 gallons of water on a hot summer day. 3. Nutrients. It’s not how much of a ...
Resource Use Patterns Predict Long-Term Outcomes of
... Experiment description. Here, we report the results of an experiment that differs in three ways from that of Tilman and Wedin (1991). First, we used six native late-successional grasses that coexist across much of the North American prairie but that tend to reach peak dominance in different regions. ...
... Experiment description. Here, we report the results of an experiment that differs in three ways from that of Tilman and Wedin (1991). First, we used six native late-successional grasses that coexist across much of the North American prairie but that tend to reach peak dominance in different regions. ...
FUNCTIONAL TRAITS AND PLASTICITY OF PLANTS
... environmental conditions. These responses of plants are specific and presented through morphological, anatomical and physiological characteristics. In the last years, attention was paid mainly to the fundamental characteristics of plants related to their variability and adaptability, specifically to ...
... environmental conditions. These responses of plants are specific and presented through morphological, anatomical and physiological characteristics. In the last years, attention was paid mainly to the fundamental characteristics of plants related to their variability and adaptability, specifically to ...
The Avoidable Adverse Affects of Modern Urban Development on
... lack of root hairs, for example some gymosperms have no root hairs at all. In this case mycorrhizas will come into play. Unfortunately mycorrihzal fungi are not found in the majority of urban situations, due to soil compaction and lack of organic matter. On the other hand there are some species that ...
... lack of root hairs, for example some gymosperms have no root hairs at all. In this case mycorrhizas will come into play. Unfortunately mycorrihzal fungi are not found in the majority of urban situations, due to soil compaction and lack of organic matter. On the other hand there are some species that ...
Measuring Farmland Biodiversity
... additional subsidies. Mayrhofer, who works for the regional agricultural administration, is interested in measuring the direct impact of this environmental scheme on biodiversity. Thierry Walot from the regional administration of Wallonia (Belgium) has the same interest. Both, Patrick Ruppol from th ...
... additional subsidies. Mayrhofer, who works for the regional agricultural administration, is interested in measuring the direct impact of this environmental scheme on biodiversity. Thierry Walot from the regional administration of Wallonia (Belgium) has the same interest. Both, Patrick Ruppol from th ...
Sustaining the Saco
... For sustainable management of an ecosystem or resources within an ecosystem, it is not enough to study specific species of interest. It is much more informative for management and conservation decision-making to consider the connections among species in the ecosystem. Connections among most species ...
... For sustainable management of an ecosystem or resources within an ecosystem, it is not enough to study specific species of interest. It is much more informative for management and conservation decision-making to consider the connections among species in the ecosystem. Connections among most species ...
Soil-mediated local adaptation alters seedling survival and
... micro-site differences in soil may help maintain genetic variation within a site and possibly genetic structure across sites. This process may be particularly important in Populus or other clonal species. Both P. angustifolia and P. tremuloides (quaking aspen) are known to form large clones that can ...
... micro-site differences in soil may help maintain genetic variation within a site and possibly genetic structure across sites. This process may be particularly important in Populus or other clonal species. Both P. angustifolia and P. tremuloides (quaking aspen) are known to form large clones that can ...
Lafayette Parish School System 2013
... Determine energy transfer among organisms by analyzing food webs Identify the sun as the ultimate source of energy to power ecosystems and trace the energy flow in ecosystems using food webs, chains, or pyramids Describe the effects of limiting factors on a given population Describe the carrying cap ...
... Determine energy transfer among organisms by analyzing food webs Identify the sun as the ultimate source of energy to power ecosystems and trace the energy flow in ecosystems using food webs, chains, or pyramids Describe the effects of limiting factors on a given population Describe the carrying cap ...
Study Guide for Final
... Recognize that populations vary in gene frequency, age distribution, sex ratio, size, and density. State how age distribution, sex ratio, and density can affect the rate of population growth. Compare R and K strategy for reproduction, give examples. Explain why the size of a population tends to ...
... Recognize that populations vary in gene frequency, age distribution, sex ratio, size, and density. State how age distribution, sex ratio, and density can affect the rate of population growth. Compare R and K strategy for reproduction, give examples. Explain why the size of a population tends to ...
CP Ecology Notes Part 4
... Secondary succession proceeds much quicker than primary succession, because there is soil present and often even seeds. ...
... Secondary succession proceeds much quicker than primary succession, because there is soil present and often even seeds. ...
Scholarship Biology (93101) 2013
... different populations living throughout many countries. In some of these countries, their range overlaps with another great ape, the gorilla. The bonobo are the only great ape living on the southern side of the Congo River. The Congo River formed 1.5–2 mya and is the third-largest in the world by vo ...
... different populations living throughout many countries. In some of these countries, their range overlaps with another great ape, the gorilla. The bonobo are the only great ape living on the southern side of the Congo River. The Congo River formed 1.5–2 mya and is the third-largest in the world by vo ...
effects of competition on resource availability and growth of a
... was probably much more abundant in many California grasslands prior to European settlement. It is currently distributed throughout lower elevation ranges from the California coast to the Sierra Nevada foothills and generally on nonarable lowland soils or foothill range lands (Huenneke 1989). All tar ...
... was probably much more abundant in many California grasslands prior to European settlement. It is currently distributed throughout lower elevation ranges from the California coast to the Sierra Nevada foothills and generally on nonarable lowland soils or foothill range lands (Huenneke 1989). All tar ...