Ch 26
... – Interactions among species, such as competition, predation, and parasitism – The always-limited availability of nutrients, energy, and space – Natural events, such as storms, fires, freezing weather, floods, and droughts ...
... – Interactions among species, such as competition, predation, and parasitism – The always-limited availability of nutrients, energy, and space – Natural events, such as storms, fires, freezing weather, floods, and droughts ...
The Impacts of African Elephant - ScholarWorks@GVSU
... The effect that elephants have on other animals is not always clear or consistent between areas. Typically a decrease in non-elephant density accompanies rising elephant densities (Valeix et al., 2011) As elephants change the structure of the landscape, they can modify the amount of visibility in an ...
... The effect that elephants have on other animals is not always clear or consistent between areas. Typically a decrease in non-elephant density accompanies rising elephant densities (Valeix et al., 2011) As elephants change the structure of the landscape, they can modify the amount of visibility in an ...
BAK1 Gene Variation: the doubts remain
... samples. Dr. Hatchwell [2010] has proposed that the BAK1 gene variants were likely due to sequencing of a processed gene on chromosome 20. However, in response, Dr. Gottlieb and coauthors [2010] have argued that “some but not all of the sequence changes present in the BAK1 sequence of our abdominal ...
... samples. Dr. Hatchwell [2010] has proposed that the BAK1 gene variants were likely due to sequencing of a processed gene on chromosome 20. However, in response, Dr. Gottlieb and coauthors [2010] have argued that “some but not all of the sequence changes present in the BAK1 sequence of our abdominal ...
Limitation of population recovery - Cooperative Institute for the North
... is a growing interest in the factors governing recovery, in hopes that they might guide population conservation and management, as well as population recovery following a re-introduction program. The emperor penguin Aptenodytes forsteri population in Terre Adélie, Antarctica, declined by 50% during ...
... is a growing interest in the factors governing recovery, in hopes that they might guide population conservation and management, as well as population recovery following a re-introduction program. The emperor penguin Aptenodytes forsteri population in Terre Adélie, Antarctica, declined by 50% during ...
implications of invasion by juniperus virginiana on small mammals
... factor in concomitant, landscape-level studies of growth and survival of eastern red cedar. In essence, we sampled locations within each of 3 distinct plant communitie.~ in a single, larger cross-timbers landscape. Replicating such grids in multiple cross-timbers landscapes elsewhere was beyond our ...
... factor in concomitant, landscape-level studies of growth and survival of eastern red cedar. In essence, we sampled locations within each of 3 distinct plant communitie.~ in a single, larger cross-timbers landscape. Replicating such grids in multiple cross-timbers landscapes elsewhere was beyond our ...
Diversity analysis: A fresh Approach
... richness the ratio is 1/2 when two equally large communities are completely distinct, because the species richness of the pooled communities (200 species) is twice the species richness of the average single community (100 species). For species richness, then, this ratio is an easily interpretable s ...
... richness the ratio is 1/2 when two equally large communities are completely distinct, because the species richness of the pooled communities (200 species) is twice the species richness of the average single community (100 species). For species richness, then, this ratio is an easily interpretable s ...
BMC Evolutionary Biology D- and L-lactate dehydrogenases during invertebrate evolution
... is immunologically more similar to LDH-C in teleost fish than to LDH-A or LDH-B [14-16]. Our phylogenetic analyses of L-LDH isozymes are consistent with the general view of a major gene duplication event near the origin of vertebrates. Both NJ and MP phylogenies suggest that the vertebrate isozymes ...
... is immunologically more similar to LDH-C in teleost fish than to LDH-A or LDH-B [14-16]. Our phylogenetic analyses of L-LDH isozymes are consistent with the general view of a major gene duplication event near the origin of vertebrates. Both NJ and MP phylogenies suggest that the vertebrate isozymes ...
CO2, nitrogen, and diversity differentially affect seed production of
... Abstract. Plant species composition and diversity is often influenced by early life history stages; thus, global change could dramatically affect plant community structure by altering seed production. Unfortunately, plant reproductive responses to global change are rarely studied in field settings, ma ...
... Abstract. Plant species composition and diversity is often influenced by early life history stages; thus, global change could dramatically affect plant community structure by altering seed production. Unfortunately, plant reproductive responses to global change are rarely studied in field settings, ma ...
independent gradients of producer, consumer
... composition and diversity were measured by morphological identification, while bacterial diversity was determined by amplification of 16S rDNA followed by denaturing gradient gel electrophoresis (DGGE). If positive feedbacks between trophic levels maintain diversity in these communities, then we expec ...
... composition and diversity were measured by morphological identification, while bacterial diversity was determined by amplification of 16S rDNA followed by denaturing gradient gel electrophoresis (DGGE). If positive feedbacks between trophic levels maintain diversity in these communities, then we expec ...
- Wiley Online Library
... population growth was relatively high (13Æ6%). During the outbreak, mortality increased by 78% to a rate of 0Æ156, resulting in an annual population decline of 4Æ3%. After the outbreak, population size increased moderately (5Æ1%) during the first three post-outbreak years before resuming a growth sim ...
... population growth was relatively high (13Æ6%). During the outbreak, mortality increased by 78% to a rate of 0Æ156, resulting in an annual population decline of 4Æ3%. After the outbreak, population size increased moderately (5Æ1%) during the first three post-outbreak years before resuming a growth sim ...
Cloning and Polymorphisms of Yak Lactate Dehydrogenase b Gene
... LDH4, respectively [6]. In this study, we observed clearly the existence of multiple bands of LDH1 to LDH3 isozymes (Figure 1, lane 7). cDNA cloning of this sample demonstrated that its H subunit is encoded by two ldhb alleles (ldhb-F and ldhb-S). Meanwhile, cDNA cloning and PCR-RFLP analysis also r ...
... LDH4, respectively [6]. In this study, we observed clearly the existence of multiple bands of LDH1 to LDH3 isozymes (Figure 1, lane 7). cDNA cloning of this sample demonstrated that its H subunit is encoded by two ldhb alleles (ldhb-F and ldhb-S). Meanwhile, cDNA cloning and PCR-RFLP analysis also r ...
Evolution of plantpollinator mutualisms in response to climate change
... Other biologically reasonable foraging probability functions, including platykurtic and leptokurtic distributions and Gaussian distributions with maxima <1, yield results qualitatively similar to those we present here. We measure phenology according to the flowering date for focal plants but the pea ...
... Other biologically reasonable foraging probability functions, including platykurtic and leptokurtic distributions and Gaussian distributions with maxima <1, yield results qualitatively similar to those we present here. We measure phenology according to the flowering date for focal plants but the pea ...
Evolution of plantpollinator mutualisms in response
... Other biologically reasonable foraging probability functions, including platykurtic and leptokurtic distributions and Gaussian distributions with maxima <1, yield results qualitatively similar to those we present here. We measure phenology according to the flowering date for focal plants but the pea ...
... Other biologically reasonable foraging probability functions, including platykurtic and leptokurtic distributions and Gaussian distributions with maxima <1, yield results qualitatively similar to those we present here. We measure phenology according to the flowering date for focal plants but the pea ...
PDF - Oxford Academic - Oxford University Press
... amino acid sites from 251 genes from 22 species]; Liang et al. 2013 [690,838 amino acid sites from 1,290 genes from 10 species]) reconstructed the sister relationship of lungfish and tetrapods with high statistical support. Phylogenomics has become a popular approach for revealing evolutionary relat ...
... amino acid sites from 251 genes from 22 species]; Liang et al. 2013 [690,838 amino acid sites from 1,290 genes from 10 species]) reconstructed the sister relationship of lungfish and tetrapods with high statistical support. Phylogenomics has become a popular approach for revealing evolutionary relat ...
PDF file
... in fruit removal has also been found among species in the same site (Herrera, 1984; Izhaki and Safriel, 1985). Furthermore, fruit removal is highly habitat-dependent, as shown by Herrera (1995), who found that fruitremoval success is much higher in lowland habitats (mean = 90.2%) than in highlands ( ...
... in fruit removal has also been found among species in the same site (Herrera, 1984; Izhaki and Safriel, 1985). Furthermore, fruit removal is highly habitat-dependent, as shown by Herrera (1995), who found that fruitremoval success is much higher in lowland habitats (mean = 90.2%) than in highlands ( ...
Representation and High-Quality Annotation of
... DOI 10.1055/s-2005-837578 ´ Published online April 15, 2005 ISSN 1435-8603 ...
... DOI 10.1055/s-2005-837578 ´ Published online April 15, 2005 ISSN 1435-8603 ...
MASTER OF SCIENE PROGRAMME IN ANATOMY
... Living organisms in a spatial and temporal context, concerning with the ...
... Living organisms in a spatial and temporal context, concerning with the ...
Linking fungal communities to wood density loss after 12 years of
... N 59.9, E 18.2). Logs included bark, were 1 m long and ranged between 25 and 35 cm in diameter. They were placed within 200 m of each other in an old-grown Norway spruce-dominated forest adjacent to Fiby nature reserve in central Sweden (N 59.881, E 17.353) in the summer of 1997. Two of the logs wer ...
... N 59.9, E 18.2). Logs included bark, were 1 m long and ranged between 25 and 35 cm in diameter. They were placed within 200 m of each other in an old-grown Norway spruce-dominated forest adjacent to Fiby nature reserve in central Sweden (N 59.881, E 17.353) in the summer of 1997. Two of the logs wer ...
Marine Ecology
... influx, we will set up two treatments for each of four native Gulf coast phytoplankton species, including K. brevis. The first treatment of each species will serve as a control where the water sample is exclusively characteristic of Gulf coast waters prior to dust storm events. For the second treatm ...
... influx, we will set up two treatments for each of four native Gulf coast phytoplankton species, including K. brevis. The first treatment of each species will serve as a control where the water sample is exclusively characteristic of Gulf coast waters prior to dust storm events. For the second treatm ...
BIODIVERSITY-ECOSYSTEM FUNCTION RESEARCH
... and Invasions at Different Scales BDEF studies of the last decade almost universally invoke the global decline in biodiversity as the primary impetus for research (Naeem et al. 1999). Conservation management and measurement of ecosystem functions (e.g., carbon credits) also occur on relatively large ...
... and Invasions at Different Scales BDEF studies of the last decade almost universally invoke the global decline in biodiversity as the primary impetus for research (Naeem et al. 1999). Conservation management and measurement of ecosystem functions (e.g., carbon credits) also occur on relatively large ...
Effects of small-scale disturbance on invasion success in marine
... to assess the effect of disturbance on resident species and recent invaders, ascidian growth form (i.e. colonial and solitary growth form), and the dominant species-specific responses within the community. Community age was an additional factor considered through manipulation of 5-wk old assemblages ...
... to assess the effect of disturbance on resident species and recent invaders, ascidian growth form (i.e. colonial and solitary growth form), and the dominant species-specific responses within the community. Community age was an additional factor considered through manipulation of 5-wk old assemblages ...
as a PDF
... Role of food in hare population cycles Lloyd B. Keith Keith, L. B. 1983. Role of food in hare population cycles. - Oikos 40: 385-395. The snowshoe hare has a well-documented 10-yr cycle in North America's Boreal Forest; the Arctic hare probably has cyclic fluctuations of comparable periodicity, ampl ...
... Role of food in hare population cycles Lloyd B. Keith Keith, L. B. 1983. Role of food in hare population cycles. - Oikos 40: 385-395. The snowshoe hare has a well-documented 10-yr cycle in North America's Boreal Forest; the Arctic hare probably has cyclic fluctuations of comparable periodicity, ampl ...
Limiting Similarity Revisited
... opinions expressed herein do not necessarily represent those of the Institute, its National Member Organizations, or other organizations supporting the work. All rights reserved. Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fe ...
... opinions expressed herein do not necessarily represent those of the Institute, its National Member Organizations, or other organizations supporting the work. All rights reserved. Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fe ...
Trypsinogen from bovine pancreas Product Number T1143 Storage
... reagent, 1-chloro-3-tosylamido-7-amino-2heptanone, the chloromethyl ketone derived from Nα-tosyl-L-lysine. Biochemistry, 4(10), 2219-2224 ...
... reagent, 1-chloro-3-tosylamido-7-amino-2heptanone, the chloromethyl ketone derived from Nα-tosyl-L-lysine. Biochemistry, 4(10), 2219-2224 ...