CK12 What are Biomes?
... waterfalls, but also stagnant (still) waters such as lakes. Wetlands, marshes and swamps are also fresh water environments that provide homes for a variety of plants and animals. The marine biome ranges from shallow beaches to deep ocean trenches. At different depths, a variety of abiotic (nonliving ...
... waterfalls, but also stagnant (still) waters such as lakes. Wetlands, marshes and swamps are also fresh water environments that provide homes for a variety of plants and animals. The marine biome ranges from shallow beaches to deep ocean trenches. At different depths, a variety of abiotic (nonliving ...
Stability and Fragility in Arctic Ecosystems
... of the survival of the system, and that one defence against extreme oscillation is large spatial scale. Selection should operate in the direction of the middle road, that is, toward stability in the “recovery from perturbation” sense of the word (definition 2). The goalis the achievement of sufficie ...
... of the survival of the system, and that one defence against extreme oscillation is large spatial scale. Selection should operate in the direction of the middle road, that is, toward stability in the “recovery from perturbation” sense of the word (definition 2). The goalis the achievement of sufficie ...
TECHNIQUES FOR MINIMIZING AND MONITORING THE IMPACT OF
... ROW. Narrowing the ROW in sensitive habitats and avoiding sensitive resources such as trees wherever feasible was also required. Preconstruction walk-throughs were conducted by Chevron's consultant biologists and a Chevron inspector familiar with pipeline construction methods. Trees and large shrubs ...
... ROW. Narrowing the ROW in sensitive habitats and avoiding sensitive resources such as trees wherever feasible was also required. Preconstruction walk-throughs were conducted by Chevron's consultant biologists and a Chevron inspector familiar with pipeline construction methods. Trees and large shrubs ...
Sedum cools soil and can improve neighboring plant
... performance and survival of neighboring plants (Bertness and Callaway, 1994; Callaway and Walker, 1997; Holmgren et al., 1997). The concept of nurse plants and interspecies facilitation can be traced back to an elegant field experiment by Turner et al. (1966). They found that in the Sonoran desert, s ...
... performance and survival of neighboring plants (Bertness and Callaway, 1994; Callaway and Walker, 1997; Holmgren et al., 1997). The concept of nurse plants and interspecies facilitation can be traced back to an elegant field experiment by Turner et al. (1966). They found that in the Sonoran desert, s ...
Unit 3 notes - novacentral.ca
... to the decomposers and not up the trophic levels; consequently only about 10-15% of the energy is stored as usable food energy at each level.. look at this in terms of units of energy and we start with units of energy at the producer level then: the primary consumers would only have 100-150 units of ...
... to the decomposers and not up the trophic levels; consequently only about 10-15% of the energy is stored as usable food energy at each level.. look at this in terms of units of energy and we start with units of energy at the producer level then: the primary consumers would only have 100-150 units of ...
On the carrying capacity for large ungulates of African savanna
... ral ecosystems chosen for comparison. We tested these hypotheses by using our data on rainfall and the regression applied by Oesterheld et al. (1992) to calculate ANPP (ANPP = 0.5P−29, where P = annual precipitation in millimetres) (Lauenroth 1979). Relative to this index of ANPP, ungulate biomasses ...
... ral ecosystems chosen for comparison. We tested these hypotheses by using our data on rainfall and the regression applied by Oesterheld et al. (1992) to calculate ANPP (ANPP = 0.5P−29, where P = annual precipitation in millimetres) (Lauenroth 1979). Relative to this index of ANPP, ungulate biomasses ...
Eastern river pearl mussel
... Parasitism – a symbiotic relationship between two living things where one benefits and the other is harmed. Diet Eastern river pearl mussels feed on suspended organic particles they filter from the water including algae, bacteria and single-celled organisms. These mussels can filter up to 2 L of wat ...
... Parasitism – a symbiotic relationship between two living things where one benefits and the other is harmed. Diet Eastern river pearl mussels feed on suspended organic particles they filter from the water including algae, bacteria and single-celled organisms. These mussels can filter up to 2 L of wat ...
5 - Arctic Council
... In the Arctic, the abundance of ponds is partly due to the abundance of permafrost, the permanently frozen ground that lies just below the ground surface through much of the region ...
... In the Arctic, the abundance of ponds is partly due to the abundance of permafrost, the permanently frozen ground that lies just below the ground surface through much of the region ...
(Hypseleotris compressa) - Department of Environment, Land
... move into the estuary as eggs, fry or larvae where they grow to the sub-adult stage before moving into adult habitats (based on Beck et al., 2001). Estuaries are known to have high primary and secondary productivity (Beck et al., 2001) providing a good source of plant and animal food for the young f ...
... move into the estuary as eggs, fry or larvae where they grow to the sub-adult stage before moving into adult habitats (based on Beck et al., 2001). Estuaries are known to have high primary and secondary productivity (Beck et al., 2001) providing a good source of plant and animal food for the young f ...
Non-consumptive effects of a top-predator decrease the strength of
... herbivorous prey in a four-level terrestrial experimental food chain. Non-consumptive and consumptive interactions are intrinsically linked, with predators often changing both prey behaviour and density (Preisser et al. 2005), therefore, their respective effects may be difficult to disentangle in th ...
... herbivorous prey in a four-level terrestrial experimental food chain. Non-consumptive and consumptive interactions are intrinsically linked, with predators often changing both prey behaviour and density (Preisser et al. 2005), therefore, their respective effects may be difficult to disentangle in th ...
Manta Rays
... and Reef Rays (Manta alfredi ). Manta Rays are the two largest species of Ray, as well as being some of the largest species of fish on earth. The enchanting Manta Rays inhabit the waters of the Ninglaoo Marine Park all year round, where they are usually found in large groups that are close to the su ...
... and Reef Rays (Manta alfredi ). Manta Rays are the two largest species of Ray, as well as being some of the largest species of fish on earth. The enchanting Manta Rays inhabit the waters of the Ninglaoo Marine Park all year round, where they are usually found in large groups that are close to the su ...
Causes and Consequences of Thermal Tolerance Limits in Rocky
... The marine intertidal zone is formed within the transition from land to sea, and accordingly organisms that live within this zone are exposed to marine conditions during high tide and terrestrial conditions during low tide. Organisms living in the intertidal zone experience a suite of physical stres ...
... The marine intertidal zone is formed within the transition from land to sea, and accordingly organisms that live within this zone are exposed to marine conditions during high tide and terrestrial conditions during low tide. Organisms living in the intertidal zone experience a suite of physical stres ...
The mangrove swamp
... anything other than saltmarshes or saline herblands with succulent plants to thrive here. The resilient grey mangrove can appear again. A number of factors may determine what happens to the landward side of this zone. In conditions of high rainfall — as occurs in north Queensland, particularly in th ...
... anything other than saltmarshes or saline herblands with succulent plants to thrive here. The resilient grey mangrove can appear again. A number of factors may determine what happens to the landward side of this zone. In conditions of high rainfall — as occurs in north Queensland, particularly in th ...
Ponds - CAFF
... In the Arctic, the abundance of ponds is partly due to the abundance of permafrost, the permanently frozen ground that lies just below the ground surface through much of the region ...
... In the Arctic, the abundance of ponds is partly due to the abundance of permafrost, the permanently frozen ground that lies just below the ground surface through much of the region ...
Notes - Being an Environmental Scientist
... Vocab to KNOW: Ecosystems • One or more communities in an area and the abiotic factors, including water, sunlight, oxygen, temperature, and soil is an ecosystem • Example – ALL of the living organisms (biotic factors) in the environment with the white tail deer, including pine trees, grass, squirre ...
... Vocab to KNOW: Ecosystems • One or more communities in an area and the abiotic factors, including water, sunlight, oxygen, temperature, and soil is an ecosystem • Example – ALL of the living organisms (biotic factors) in the environment with the white tail deer, including pine trees, grass, squirre ...
View PDF - Fungal diversity
... 1981). The constant temperature and humidity, plus lack of light, however, may affect the occurrence and growth ofthermophilic fungi in the dark zones of caves. Fungi such as Aspergillus niger, A. tamarii, A. wentii and Byssochlamys sp. might extend their distribution from the forest soil to the twi ...
... 1981). The constant temperature and humidity, plus lack of light, however, may affect the occurrence and growth ofthermophilic fungi in the dark zones of caves. Fungi such as Aspergillus niger, A. tamarii, A. wentii and Byssochlamys sp. might extend their distribution from the forest soil to the twi ...
ommunications - Department of Biological Sciences
... inorganic carbon will influence pH. Additions of a limiting nutrient stimulate plant productivity, and high rates of photosynthesis can deplete dissolved inorganic carbon, which in turn elevates pH during daylight hours. Elevated pH may impair chemoreception by changing the conformation of olfactory ...
... inorganic carbon will influence pH. Additions of a limiting nutrient stimulate plant productivity, and high rates of photosynthesis can deplete dissolved inorganic carbon, which in turn elevates pH during daylight hours. Elevated pH may impair chemoreception by changing the conformation of olfactory ...
Are We Putting Our Fish in Hot Water?
... Runoff from fertilizers used in commercial agriculture or private yards adds large amounts of nitrogen and phosphorus to freshwater ecosystems. This can be especially problematic in lowland areas and in lakes or rivers with developed shores. The added nutrients lead to excess growth of algae (which ...
... Runoff from fertilizers used in commercial agriculture or private yards adds large amounts of nitrogen and phosphorus to freshwater ecosystems. This can be especially problematic in lowland areas and in lakes or rivers with developed shores. The added nutrients lead to excess growth of algae (which ...
Food and Feeding Habits in Fish
... eats a plant-eating rodent, the bear is functioning as a secondary consumer. When the bear eats salmon, the bear is functioning as a tertiary consumer (this is because salmon is a secondary consumer, since salmon eat herring that eat zooplankton that eat phytoplankton, that make their own energy fro ...
... eats a plant-eating rodent, the bear is functioning as a secondary consumer. When the bear eats salmon, the bear is functioning as a tertiary consumer (this is because salmon is a secondary consumer, since salmon eat herring that eat zooplankton that eat phytoplankton, that make their own energy fro ...