DISPERSAL OF LIVING ORGANISMS INTO AQUATIC ECOSYSTEMS
... of the former and its predominant importance to mankind. In such areas as nutrition, disease control, genetics, and husbandry, aquaculture has a lot of experience yet to be obtained and utilized. In nearly every instance where an exotic aquatic species has been the subject of culture, escape into op ...
... of the former and its predominant importance to mankind. In such areas as nutrition, disease control, genetics, and husbandry, aquaculture has a lot of experience yet to be obtained and utilized. In nearly every instance where an exotic aquatic species has been the subject of culture, escape into op ...
10/4/06 version
... Fig. 5.2: Two environments containing different species assemblages, but the same richness. The best answer to these problems is to use a patch model rather than a site model. This ...
... Fig. 5.2: Two environments containing different species assemblages, but the same richness. The best answer to these problems is to use a patch model rather than a site model. This ...
Exam #1 Practice Questions
... A) Average annual temperature and precipitation are sufficient to predict which biome will be found in an area. B) Seasonal fluctuation of temperature is not a limiting factor in biome distribution if areas have the same annual temperature and precipitation means. C) The average climate and seas ...
... A) Average annual temperature and precipitation are sufficient to predict which biome will be found in an area. B) Seasonal fluctuation of temperature is not a limiting factor in biome distribution if areas have the same annual temperature and precipitation means. C) The average climate and seas ...
original version of Chapter 5
... regretted by many European-continental ecologists, even by a few English-speaking ones. We ...
... regretted by many European-continental ecologists, even by a few English-speaking ones. We ...
effects of grazer richness and composition on algal biomass in a
... grazer biomass (rather than abundance) was standardized across all treatments. Snail biomass was standardized equivalent to 100 individuals of L. littorea/m2 (4.3 mg dry mass) and crustacean biomass equivalent to 50 L. littorea/m2 (2.2 mg dry mass; crustaceans are much less abundant in the field, in ...
... grazer biomass (rather than abundance) was standardized across all treatments. Snail biomass was standardized equivalent to 100 individuals of L. littorea/m2 (4.3 mg dry mass) and crustacean biomass equivalent to 50 L. littorea/m2 (2.2 mg dry mass; crustaceans are much less abundant in the field, in ...
Competition Within and Between Species of Parasitoid Wasps
... benefit by having an easier time finding food, but the large grazers are not impacted by the interaction. In a great many other cases – such as most flowering plants and the insects, birds, bats, and other animals that pollinate them – both parties benefit. This mutualism is not only widespread, but ...
... benefit by having an easier time finding food, but the large grazers are not impacted by the interaction. In a great many other cases – such as most flowering plants and the insects, birds, bats, and other animals that pollinate them – both parties benefit. This mutualism is not only widespread, but ...
Plant Community Analysis and Dating of the Asulkan
... millimeter. However, due to rainy weather, the calipers short-circuited before completion of the study. A ruler was used in its place, and subsequent measurements were made to the nearest millimeter. The lichen’s largest diameter was measured; a thin black perimeter defining the outermost edges of g ...
... millimeter. However, due to rainy weather, the calipers short-circuited before completion of the study. A ruler was used in its place, and subsequent measurements were made to the nearest millimeter. The lichen’s largest diameter was measured; a thin black perimeter defining the outermost edges of g ...
Below-ground resources limit seedling growth in forest understories
... varying widely in shade tolerance to an increase in soil resources in shaded forest understories in northern Wisconsin, USA. In a 4-year experiment, trenching treatment was used to increase soil resource supply to 1-year old seedlings planted across a range of low light microenvironments. Specifical ...
... varying widely in shade tolerance to an increase in soil resources in shaded forest understories in northern Wisconsin, USA. In a 4-year experiment, trenching treatment was used to increase soil resource supply to 1-year old seedlings planted across a range of low light microenvironments. Specifical ...
Plant diversity consequences of a herbivore-driven biome
... diversity, richness and evenness. Gamma diversity was calculated for the whole study site, whereas, independent beta diversity was calculated across the treatments assuming the additive partitioning of diversity. In addition, the biogeographical association of grazing-induced species shifts was dete ...
... diversity, richness and evenness. Gamma diversity was calculated for the whole study site, whereas, independent beta diversity was calculated across the treatments assuming the additive partitioning of diversity. In addition, the biogeographical association of grazing-induced species shifts was dete ...
VISUAL MIMICRY - Vision in Cichlids
... non-edible species that signals their unsuitability to possible predators • Müllerian mimicry: resemblance of aposematic signals of different non-edible species • Peckhamian mimicry: resemblance of predators’ messages to messages of some species, or to some objects, that are harmless to their prey • ...
... non-edible species that signals their unsuitability to possible predators • Müllerian mimicry: resemblance of aposematic signals of different non-edible species • Peckhamian mimicry: resemblance of predators’ messages to messages of some species, or to some objects, that are harmless to their prey • ...
Habitat diversity and species diversity: testing the
... I recorded the temperature (to 0.5°C) at the outflow of each channel every 3 d during the experiment. A repeated measures ANOVA revealed that water temperature did not change from block one to block two, but that block three was warmer than the other two (block, PB 0.0001) on some days (block× time, ...
... I recorded the temperature (to 0.5°C) at the outflow of each channel every 3 d during the experiment. A repeated measures ANOVA revealed that water temperature did not change from block one to block two, but that block three was warmer than the other two (block, PB 0.0001) on some days (block× time, ...
Restoring Dipterocarp Rainforest Diversity
... 2015). A study from the University of Maryland using satellite data show a yearly trend in tropical deforestation by 2101 km2 between the years 2000 and 2012, despite that the satellite data also indicate high levels of reforestation (Hansen et al., 2013). It is reported that the trends of tropical ...
... 2015). A study from the University of Maryland using satellite data show a yearly trend in tropical deforestation by 2101 km2 between the years 2000 and 2012, despite that the satellite data also indicate high levels of reforestation (Hansen et al., 2013). It is reported that the trends of tropical ...
Word File - UNESCO World Heritage Centre
... km and its size is 56.000 ha. The delta is a big wetland complex that contains almost all members of wetland ecosystems. The major habitats of this complex are flooded forests, trees and shrubs, sweet and bitter lakes, reeds, pastures, sand dunes, sea and farmlands. 21.700 ha of delta lands are comp ...
... km and its size is 56.000 ha. The delta is a big wetland complex that contains almost all members of wetland ecosystems. The major habitats of this complex are flooded forests, trees and shrubs, sweet and bitter lakes, reeds, pastures, sand dunes, sea and farmlands. 21.700 ha of delta lands are comp ...
Ecosystems: the flux of energy and matter
... ratio of the amount of plant production they ingest to the total plant production. This ratio will be dependent on the plant life form. It could be as low as a few per cent in northern evergreen forests, but as high as 60% in African grasslands. Of the total ingested, not all will be digested. Plant ...
... ratio of the amount of plant production they ingest to the total plant production. This ratio will be dependent on the plant life form. It could be as low as a few per cent in northern evergreen forests, but as high as 60% in African grasslands. Of the total ingested, not all will be digested. Plant ...
6-3 Biodiversity
... Today, in the U.S., endangered species are protected from hunting. The Convention on International Trade in Endangered Species, CITES, bans international trade in products derived from endangered species. Slide 8 of 35 Copyright Pearson Prentice Hall ...
... Today, in the U.S., endangered species are protected from hunting. The Convention on International Trade in Endangered Species, CITES, bans international trade in products derived from endangered species. Slide 8 of 35 Copyright Pearson Prentice Hall ...
Fish and Phytoplankton Exhibit Contrasting Temporal Species
... littoral transects; vertically hung gill nets for two pelagic samples at the deep hole; and a trammel net across the thermocline at two sites [31,45,46]. To avoid bias resulting from any single gear type, catch per unit effort (CPUE) of all gear types were summed for a single metric of relative abun ...
... littoral transects; vertically hung gill nets for two pelagic samples at the deep hole; and a trammel net across the thermocline at two sites [31,45,46]. To avoid bias resulting from any single gear type, catch per unit effort (CPUE) of all gear types were summed for a single metric of relative abun ...
Opportunistic predation on bats trapped in mist nets by
... In the 2 remaining cases, predation was observed directly. On these occasions, some frogs got close to the bat a few minutes after capture and, then, moved towards it, snapped at it, and tried to swallow it. As the frogs were unable to rip the net open, they released the prey when observers got clos ...
... In the 2 remaining cases, predation was observed directly. On these occasions, some frogs got close to the bat a few minutes after capture and, then, moved towards it, snapped at it, and tried to swallow it. As the frogs were unable to rip the net open, they released the prey when observers got clos ...
Herpetofauna Biodiversity on Marine Corps Installations
... available) and installation species herpetological surveys or species inventories to identify those species that have been confirmed on the installation. 4. The pre-final list was sent to each installation’s natural resource manager for review and validation before becoming final. This process was f ...
... available) and installation species herpetological surveys or species inventories to identify those species that have been confirmed on the installation. 4. The pre-final list was sent to each installation’s natural resource manager for review and validation before becoming final. This process was f ...
Resource partitioning and overlap in three sympatric species of Ips
... Abstract. The bark beetles Ips pini, I. perroti and I. grandicollis are sympatric in pine forests of the north central United States. They share the same limited phloem resource and often coexist within the same host trees. We tested whether phloem resources are partitioned in time and space by meas ...
... Abstract. The bark beetles Ips pini, I. perroti and I. grandicollis are sympatric in pine forests of the north central United States. They share the same limited phloem resource and often coexist within the same host trees. We tested whether phloem resources are partitioned in time and space by meas ...
(Repco Rally Australia) In The Norther
... Eastern Bristlebirds are sedentary species, occupying home ranges of between 1 and 4 ha, but seldom more than 2.5 ha. Individuals that have territories near roads and tracks are known to cross these areas, provided that the widths are not more than 100 m. Therefore, if a territory of an Eastern Bris ...
... Eastern Bristlebirds are sedentary species, occupying home ranges of between 1 and 4 ha, but seldom more than 2.5 ha. Individuals that have territories near roads and tracks are known to cross these areas, provided that the widths are not more than 100 m. Therefore, if a territory of an Eastern Bris ...
Genetic variation and community change selection, evolution, and
... Fig. 1. Genetically based feedbacks through which one species alters its associated community, and community changes exert a reciprocal effect on the fitness of the original species, may occur when a series of conditions are met. In this diagram, ‘spaces’ represent a set of possible values for genoty ...
... Fig. 1. Genetically based feedbacks through which one species alters its associated community, and community changes exert a reciprocal effect on the fitness of the original species, may occur when a series of conditions are met. In this diagram, ‘spaces’ represent a set of possible values for genoty ...
Genetic variation and community change selection, evolution, and
... Fig. 1. Genetically based feedbacks through which one species alters its associated community, and community changes exert a reciprocal effect on the fitness of the original species, may occur when a series of conditions are met. In this diagram, ‘spaces’ represent a set of possible values for genoty ...
... Fig. 1. Genetically based feedbacks through which one species alters its associated community, and community changes exert a reciprocal effect on the fitness of the original species, may occur when a series of conditions are met. In this diagram, ‘spaces’ represent a set of possible values for genoty ...
Bifrenaria
Bifrenaria, abbreviated Bif. in horticultural trade, is a genus of plant in family Orchidaceae. It contains 20 species found in Panama, Trinidad and South America. There are no known uses for them, but their abundant, and at first glance artificial, flowers, make them favorites of orchid growers.The genus can be split in two clearly distinct groups: one of highly robust plants with large flowers, that encompass the first species to be classified under the genus Bifrenaria; other of more delicate plants with smaller flowers occasionally classified as Stenocoryne or Adipe. There are two additional species that are normally classified as Bifrenaria, but which molecular analysis indicate to belong to different orchid groups entirely. One is Bifrenaria grandis which is endemic to Bolívia and which is now placed in Lacaena, and Bifrenaria steyermarkii, an inhabitant of the northern Amazon Forest, which does not have an alternative classification.