Journal of Applied Phycology
... We report the cloning and sequencing of the recA gene from Spirulinaplatensis. A genomic library of Spirulina was constructed in pUC19 and screened by PCR using oligonucleotides corresponding to the conserved amino acid sequences of Anabaena variabilisand Synechococcus RecA proteins. The Spirulina r ...
... We report the cloning and sequencing of the recA gene from Spirulinaplatensis. A genomic library of Spirulina was constructed in pUC19 and screened by PCR using oligonucleotides corresponding to the conserved amino acid sequences of Anabaena variabilisand Synechococcus RecA proteins. The Spirulina r ...
Full Text
... and is a popular tool for understanding the molecular biology of many plant traits, including flower development and light sensing. Abiotic stress such as drought, salinity, cold and excessive water are the most harmful factor concerning the growth and productivity of crops worldwide. Plant growth i ...
... and is a popular tool for understanding the molecular biology of many plant traits, including flower development and light sensing. Abiotic stress such as drought, salinity, cold and excessive water are the most harmful factor concerning the growth and productivity of crops worldwide. Plant growth i ...
Pitfall Trapping as a Method for Studying Populations of Carabidae
... four variables: (1) Position of trap; (2) Type of trap; (3) Type of Carabid; (4) Vegetation. Position of trap In experimentI the plot was designed to avoid effects due to spatial trends in the density of Carabidae. As studies of Nebria brevicollis(F.) and Pterostichusmadidus(F.) described in the fol ...
... four variables: (1) Position of trap; (2) Type of trap; (3) Type of Carabid; (4) Vegetation. Position of trap In experimentI the plot was designed to avoid effects due to spatial trends in the density of Carabidae. As studies of Nebria brevicollis(F.) and Pterostichusmadidus(F.) described in the fol ...
Relative importance of endogenous and exogenous mechanisms in
... other hand, may also promote non-equilibrium coexistence when competitive abilities are relatively nonlinear and produce intrinsic fluctuations in limiting factors (Armstrong & McGehee, 1980). When the limiting factors are abiotic resources, competition among 3 or more species can produce “supersatu ...
... other hand, may also promote non-equilibrium coexistence when competitive abilities are relatively nonlinear and produce intrinsic fluctuations in limiting factors (Armstrong & McGehee, 1980). When the limiting factors are abiotic resources, competition among 3 or more species can produce “supersatu ...
Maritime Ringlet (Coenonympha nipisiquit)
... Population sizes and trends The Maritime Ringlet generally occurs in dense populations in relatively small areas. It is found in an area of only 76km2 (64km2 when introduced populations are removed from the calculations). It has a total of 27,000 to 37,000 adults in four populations, comprising one ...
... Population sizes and trends The Maritime Ringlet generally occurs in dense populations in relatively small areas. It is found in an area of only 76km2 (64km2 when introduced populations are removed from the calculations). It has a total of 27,000 to 37,000 adults in four populations, comprising one ...
Metaâ•`analysis of the effects of small mammal
... disturbances.Three articles divided plants responding to disturbance into life form categories different from the most common categories (i.e. invasive and native plants rather than forbs, grasses, herbs or shrubs). We were not able to include these studies because there were few of them, and their ...
... disturbances.Three articles divided plants responding to disturbance into life form categories different from the most common categories (i.e. invasive and native plants rather than forbs, grasses, herbs or shrubs). We were not able to include these studies because there were few of them, and their ...
Altitudinal gradients of generalist and specialist herbivory on three
... sp., Deroceras sp.) and snail species (Arianta arbustorum) were observed feeding on the leaves. A tendency of decreasing leaf damage with increasing altitude was also found in eight of these stands, which were investigated over the whole vegetation period (Fig. 2). For all sample dates except for Ma ...
... sp., Deroceras sp.) and snail species (Arianta arbustorum) were observed feeding on the leaves. A tendency of decreasing leaf damage with increasing altitude was also found in eight of these stands, which were investigated over the whole vegetation period (Fig. 2). For all sample dates except for Ma ...
Benefits of being biased! - Indian Academy of Sciences
... Stephan 2003; Carlini 2004) show that even in such systems, under certain conditions, it is possible to empirically demonstrate the effects of codon bias at the phenotypic level, and the corresponding effect on at least one major component of the fitness of the organism. The neutral theory of molecu ...
... Stephan 2003; Carlini 2004) show that even in such systems, under certain conditions, it is possible to empirically demonstrate the effects of codon bias at the phenotypic level, and the corresponding effect on at least one major component of the fitness of the organism. The neutral theory of molecu ...
Response of macroarthropod assemblages to the loss
... and beetles. A ‘‘sample’’ consisted of the sum of incidences (of ants) or abundances (of beetles and spiders) from the pitfall traps and associated litter collection. We used permutational (n ¼ 1000 permutations) multivariate analysis of variance (pMANOVA: Anderson 2001, McArdle and Anderson 2001) t ...
... and beetles. A ‘‘sample’’ consisted of the sum of incidences (of ants) or abundances (of beetles and spiders) from the pitfall traps and associated litter collection. We used permutational (n ¼ 1000 permutations) multivariate analysis of variance (pMANOVA: Anderson 2001, McArdle and Anderson 2001) t ...
application for
... An ecologically sustainable development risk assessment does not have to be completed using this attached template, however, if a decision is made to complete it in another format, the risks identified below will need to be addressed. Data - the use of quantitative data is preferred, but qualitative ...
... An ecologically sustainable development risk assessment does not have to be completed using this attached template, however, if a decision is made to complete it in another format, the risks identified below will need to be addressed. Data - the use of quantitative data is preferred, but qualitative ...
51 - edl.io
... 9. Most efforts to improve environmental quality have focused on this. 10. Capable of being decomposed by organisms, such as bacteria 11. Which of the following statements regarding developed countries and developing countries is true? a) Developed countries are home to twice as many people as devel ...
... 9. Most efforts to improve environmental quality have focused on this. 10. Capable of being decomposed by organisms, such as bacteria 11. Which of the following statements regarding developed countries and developing countries is true? a) Developed countries are home to twice as many people as devel ...
Seed characteristics and susceptibility to pathogen attack in tree
... nated seeds should also be more susceptible to pathogens under greater shade and be attacked less frequently in the presence of a broad-acting fungicide. We designed a series of experiments to evaluate these relationships and potential trade-offs using seeds of 16 tree species from the southeastern ...
... nated seeds should also be more susceptible to pathogens under greater shade and be attacked less frequently in the presence of a broad-acting fungicide. We designed a series of experiments to evaluate these relationships and potential trade-offs using seeds of 16 tree species from the southeastern ...
Parasite establishment in host communities - People
... Case 5. Alternate hosts (Fig. 1e). If the parasite requires passage through each of two host species to complete its life cycle, no host species alone can sustain the parasite. But a combination of hosts can, provided each host’s carrying capacity is sufficiently great. It is useful to separate two ...
... Case 5. Alternate hosts (Fig. 1e). If the parasite requires passage through each of two host species to complete its life cycle, no host species alone can sustain the parasite. But a combination of hosts can, provided each host’s carrying capacity is sufficiently great. It is useful to separate two ...
Tonkin Snub-nosed Monkey Conservation Project
... FFI was to increase protection of the monkeys and their habitat through the establishment of community-based patrol groups, which continue operating today. In 2009 FFI supported the Forest Protection Department in establishing the Tonkin snub-nosed monkey Species and Habitat Conservation Area in Kha ...
... FFI was to increase protection of the monkeys and their habitat through the establishment of community-based patrol groups, which continue operating today. In 2009 FFI supported the Forest Protection Department in establishing the Tonkin snub-nosed monkey Species and Habitat Conservation Area in Kha ...
The importance of continued collecting of bird specimens to
... method of capture, habitat, microhabitat, and behavioural data. ...
... method of capture, habitat, microhabitat, and behavioural data. ...
Urban biodiversity: patterns and mechanisms
... self-identified in the papers or were obvious from the city location. However, most of the studies were conducted in temperate regions (54 of a total 92), and most involved arthropods (44) and birds (39). We recognize that urbanization has varying meanings among researchers. Definitions may be based ...
... self-identified in the papers or were obvious from the city location. However, most of the studies were conducted in temperate regions (54 of a total 92), and most involved arthropods (44) and birds (39). We recognize that urbanization has varying meanings among researchers. Definitions may be based ...
Edge type defines alien plant species invasions along
... forest edges are a common feature in the landscape with anthropogenic (e.g. roadside, clearcut) and natural (e.g. burned, windthrown) edge types. In this paper we examine patterns of alien species invasion and native community structure across three forest edge types in Pinus contorta forests includ ...
... forest edges are a common feature in the landscape with anthropogenic (e.g. roadside, clearcut) and natural (e.g. burned, windthrown) edge types. In this paper we examine patterns of alien species invasion and native community structure across three forest edge types in Pinus contorta forests includ ...
Review Paper Biodiversity Effects on Aquatic Ecosystem Functioning
... For rock pool systems, communities arising from a regional species pool had higher abundances of zooplankton compared to communities stemming from local pools, with cascading effects on the primary producer level (NAESLUND and NORBERG, 2006). MATTHIESSEN and HILLEBRAND (2006) showed that local diver ...
... For rock pool systems, communities arising from a regional species pool had higher abundances of zooplankton compared to communities stemming from local pools, with cascading effects on the primary producer level (NAESLUND and NORBERG, 2006). MATTHIESSEN and HILLEBRAND (2006) showed that local diver ...
500 AP Exam Questions - Mr. D`s Science Page
... ADVANCED PLACEMENT ENVIRONMENTAL SCIENCE PRACTICE EXAM ...
... ADVANCED PLACEMENT ENVIRONMENTAL SCIENCE PRACTICE EXAM ...
REV_ISS_WEB_JPE_12709_53-6 1823..1830
... in the refuge (distance = 0 m, 45 samples equally distributed across the refuge) and at three distances from the refuge into the coppiced part of the stand (distance = 2, 8 and 30 m; 15 samples per distance). Egg mortality was estimated following the same procedure as previously described, but using ...
... in the refuge (distance = 0 m, 45 samples equally distributed across the refuge) and at three distances from the refuge into the coppiced part of the stand (distance = 2, 8 and 30 m; 15 samples per distance). Egg mortality was estimated following the same procedure as previously described, but using ...
FOOD WEBS
... Statistical modeling. The techniques for modeling populations have improved spectacularly and now allow ecologists, inter alia, to dissect the time lags that lead to complex cycles, the interactions with other species, and the long-term impacts of climate events. Bjørnstad & Grenfell (2001) provide ...
... Statistical modeling. The techniques for modeling populations have improved spectacularly and now allow ecologists, inter alia, to dissect the time lags that lead to complex cycles, the interactions with other species, and the long-term impacts of climate events. Bjørnstad & Grenfell (2001) provide ...
Duck Nesting Success: What Is It, and What Are The Important
... That sets an important target for prairie habitat conservation objectives but it is not a “threshold” below which success is always low and above which it is always higher. Reality is much more complex. Nesting success in the CRP study, and many others, is found to be high even where there was less ...
... That sets an important target for prairie habitat conservation objectives but it is not a “threshold” below which success is always low and above which it is always higher. Reality is much more complex. Nesting success in the CRP study, and many others, is found to be high even where there was less ...
When Large, Infrequent Disturbances Interact
... Summary of Six Examples ENSOs, storms, kelp bed recovery – warmest waters led to kelp extinctions, and replacement by a different kelp species, preventing recovery ...
... Summary of Six Examples ENSOs, storms, kelp bed recovery – warmest waters led to kelp extinctions, and replacement by a different kelp species, preventing recovery ...