Predators drive community structure in coral reef fish assemblages
... in herbivores such as urchins and abalone, and a corresponding increase in macroalgal cover (Edgar and Barrett 1999, Shears and Babcock 2003, Barrett et al. 2009). In these cases, there was a strong and direct link between predators, herbivores and the benthos. Conversely, tropical systems such as c ...
... in herbivores such as urchins and abalone, and a corresponding increase in macroalgal cover (Edgar and Barrett 1999, Shears and Babcock 2003, Barrett et al. 2009). In these cases, there was a strong and direct link between predators, herbivores and the benthos. Conversely, tropical systems such as c ...
Prey abundance and habitat use by migratory shorebirds
... for the three sites indicated that the families represented at Milford (J 5 0.42) were more evenly distributed than those represented at Stratford (J 5 0.33) or West Haven (J 5 0.32). Although Nassarius sp. was the dominant invertebrate at all three sites, its adult size prevented predation by most ...
... for the three sites indicated that the families represented at Milford (J 5 0.42) were more evenly distributed than those represented at Stratford (J 5 0.33) or West Haven (J 5 0.32). Although Nassarius sp. was the dominant invertebrate at all three sites, its adult size prevented predation by most ...
Nutrient availability induces contrasting allocation and starch
... starch (concentration, total starch) varied with resprouting ability and resource availability, independently of plant mass. This was tested using a four-factor analysis of covariance () with sprouting ability, genera, water and nutrient limitation as factors, and total plant mass at the end o ...
... starch (concentration, total starch) varied with resprouting ability and resource availability, independently of plant mass. This was tested using a four-factor analysis of covariance () with sprouting ability, genera, water and nutrient limitation as factors, and total plant mass at the end o ...
Integrating bacteria into food webs: Studies with Sarracenia
... other species interactions in aquatic food webs, but their interpretation is often hampered by logistical constraints. Replication of treatments is difficult or impractical, and thorough knowledge of all the taxa within each trophic level is usually impossible. An effective alternative is the recons ...
... other species interactions in aquatic food webs, but their interpretation is often hampered by logistical constraints. Replication of treatments is difficult or impractical, and thorough knowledge of all the taxa within each trophic level is usually impossible. An effective alternative is the recons ...
Ch 21 ppt
... • The littoral zone—close to the water surface and to shore, relatively warm because of its exposure to sunlight. • The limnetic zone—close to the water surface but far from shore, occupied largely by plankton, organisms that float in the water rather than swim actively. • The profundal zone—deep wa ...
... • The littoral zone—close to the water surface and to shore, relatively warm because of its exposure to sunlight. • The limnetic zone—close to the water surface but far from shore, occupied largely by plankton, organisms that float in the water rather than swim actively. • The profundal zone—deep wa ...
- Wiley Online Library
... vegetation with high-quality vegetation (Foose 1982). In addition to the size-related limitations of digestive efficiency, small ruminants require proportionately more energy per unit body mass than large ruminants because a mammal’s metabolic rate scales approximately three-fourths with body size. T ...
... vegetation with high-quality vegetation (Foose 1982). In addition to the size-related limitations of digestive efficiency, small ruminants require proportionately more energy per unit body mass than large ruminants because a mammal’s metabolic rate scales approximately three-fourths with body size. T ...
... Page 4 of 8 the increased predation pressure . . . ."3 The SED continues by stating, "PFMC ( 1999) reported that the presence ofstriped bass in a river system near Califomia's San Francisco Bay Region resulted in estimated losses of 11-28 percert ofnative fall-run Chinook salmon.'{ The SED's failure ...
A review of the ecological implications of mariculture and
... Most research on the impact of salmon farming has been carried out in Scottish sea lochs or Norwegian fjords. These sites tend to be more sheltered and less well flushed than off-shore sites. Frid and Mercer (1989) noted that although fish farm developments were initially located in sheltered enviro ...
... Most research on the impact of salmon farming has been carried out in Scottish sea lochs or Norwegian fjords. These sites tend to be more sheltered and less well flushed than off-shore sites. Frid and Mercer (1989) noted that although fish farm developments were initially located in sheltered enviro ...
ECOSYSTEM FUNCTION, PRINCIPLES OF
... limiting factor alters ecosystem function. The large increase in the amount of nitrogen cycling in the environment from fertilizers and fossil fuel should have significant effects on rates of ecosystem functions since nitrogen frequently is the primary limiting element for plant growth in terrestrial ...
... limiting factor alters ecosystem function. The large increase in the amount of nitrogen cycling in the environment from fertilizers and fossil fuel should have significant effects on rates of ecosystem functions since nitrogen frequently is the primary limiting element for plant growth in terrestrial ...
The Application of Carbon Isotope Discrimination in Cereal Improve
... variation in c,/c,, and. potentially. A n : Unfortunately, A13Cprovides no information on whether I-, /c,~is v:l~yingdue to v:lriation in stomatal conductance or due to variation in photosynthetic capacity, and this infornl:~tion may be inlpoi-tant for several reasons. One reason is that it is unlik ...
... variation in c,/c,, and. potentially. A n : Unfortunately, A13Cprovides no information on whether I-, /c,~is v:l~yingdue to v:lriation in stomatal conductance or due to variation in photosynthetic capacity, and this infornl:~tion may be inlpoi-tant for several reasons. One reason is that it is unlik ...
Habitat and Feeding Behavior of the Ghost Crab
... Painted ghost crabs (Ocypode gaudichaudii) are distributed along the intertidal zone based on their ability to physiologically tolerate changes in temperature and water availability. Meanwhile, access to food resources, predation, and intraspecific competition also play a role in the crabs’ distribu ...
... Painted ghost crabs (Ocypode gaudichaudii) are distributed along the intertidal zone based on their ability to physiologically tolerate changes in temperature and water availability. Meanwhile, access to food resources, predation, and intraspecific competition also play a role in the crabs’ distribu ...
Key Elements of Biodiversity in British Columbia
... each ecosystem may be radically altered if the predator is removed. Wolves clearly have a larger physical footprint, but a large number of listed species may inhabit the grassland pond that is maintained by the dragonflies; functional importance will vary in different habitats or ecosystems. It may ...
... each ecosystem may be radically altered if the predator is removed. Wolves clearly have a larger physical footprint, but a large number of listed species may inhabit the grassland pond that is maintained by the dragonflies; functional importance will vary in different habitats or ecosystems. It may ...
Macroalgae Primefacts
... and often can be used as indicators of water quality. At certain times of the year, especially in spring when water temperatures and day lengths increase, coupled with some heavy rainfalls supplying nutrients from runoff to the coast and estuarine environments, macroalgae can bloom in massive quanti ...
... and often can be used as indicators of water quality. At certain times of the year, especially in spring when water temperatures and day lengths increase, coupled with some heavy rainfalls supplying nutrients from runoff to the coast and estuarine environments, macroalgae can bloom in massive quanti ...
Section 1 How Organisms Interact in Communities
... to both sides. But most competitive interactions do not involve fighting. In fact, some competing species never encounter one another. They interact only by means of their effects on the abundance of resources. To understand how competition influences the makeup of communities, you must focus on the ...
... to both sides. But most competitive interactions do not involve fighting. In fact, some competing species never encounter one another. They interact only by means of their effects on the abundance of resources. To understand how competition influences the makeup of communities, you must focus on the ...
Macroalgae - NSW Department of Primary Industries
... are often associated with blooms in rivers; the green algae (Chlorophyta) such as sea lettuce; the brown algae (Heterokontophyta) that include the large kelps; and the red algae (Rhodophyta), the most diverse group of all. The red algae should not be confused with “red tides” which are actually caus ...
... are often associated with blooms in rivers; the green algae (Chlorophyta) such as sea lettuce; the brown algae (Heterokontophyta) that include the large kelps; and the red algae (Rhodophyta), the most diverse group of all. The red algae should not be confused with “red tides” which are actually caus ...
California Rapid Assessment Method for Wetlands version 5.0.2
... currently not dedicated to anthropogenic uses that would severely detract from its ability to entrap contaminants, discourage forays into the AA by people and non-native predators, or otherwise protect the AA from stress and disturbance. To be considered as buffer, a suitable land cover type must be ...
... currently not dedicated to anthropogenic uses that would severely detract from its ability to entrap contaminants, discourage forays into the AA by people and non-native predators, or otherwise protect the AA from stress and disturbance. To be considered as buffer, a suitable land cover type must be ...
Olden et al. 2011 rusties
... prevention involve prohibiting the entry of species into a new country or region, and containing the spread of species that have already established in a region, but have not reached their full distributional potential. For example, the Laurentian Great Lakes are home to .180 nonnative species, many ...
... prevention involve prohibiting the entry of species into a new country or region, and containing the spread of species that have already established in a region, but have not reached their full distributional potential. For example, the Laurentian Great Lakes are home to .180 nonnative species, many ...
