Lessons from primary succession for restoration of severely
... surface temperatures, reduced erosion, and increased animal activity). Carbon accumulation is not continuous even in successional systems that are left undisturbed. Following a progressive accumulation of carbon and nutrients, many primary seres undergo a retrogressive phase where carbon and often p ...
... surface temperatures, reduced erosion, and increased animal activity). Carbon accumulation is not continuous even in successional systems that are left undisturbed. Following a progressive accumulation of carbon and nutrients, many primary seres undergo a retrogressive phase where carbon and often p ...
Long-term dynamics of biotic and abiotic resistance to exotic species
... ical diversity (Jokerst 1990, Pollak and Kan 1998). Due to destruction of vernal pools from agricultural and residential development, many species restricted to vernal pools in California are currently categorized as rare or endangered (Witham 1998). Thus, protection and restoration of native plant ...
... ical diversity (Jokerst 1990, Pollak and Kan 1998). Due to destruction of vernal pools from agricultural and residential development, many species restricted to vernal pools in California are currently categorized as rare or endangered (Witham 1998). Thus, protection and restoration of native plant ...
Importance of fragmentation-tolerant species as seed
... habitat fragmentation reduced seed survival or seedling establishment for certain plants (Santos and Tellerı́a 1994; Asquith et al. 1997, 1999; Cordeiro and Howe 2001, 2003). Wright et al. (2000) and Wright and Duber (2001) found that a loss of seed predators and dispersers in fragmented or poached ...
... habitat fragmentation reduced seed survival or seedling establishment for certain plants (Santos and Tellerı́a 1994; Asquith et al. 1997, 1999; Cordeiro and Howe 2001, 2003). Wright et al. (2000) and Wright and Duber (2001) found that a loss of seed predators and dispersers in fragmented or poached ...
From writing to reading the encyclopedia of life
... For more than two centuries, biodiversity science has focused on the inventory of species, on probing their relationships and on clarifying the factors responsible for their diversification. The sheer diversity of life, the fact that millions of species of multi-cellular organisms await description, ...
... For more than two centuries, biodiversity science has focused on the inventory of species, on probing their relationships and on clarifying the factors responsible for their diversification. The sheer diversity of life, the fact that millions of species of multi-cellular organisms await description, ...
Volume 22
... in the lowland part of the island was substantially higher, the estimated density is still much lower than densities of domestic cats estimated in urban areas (1.3 – 15.8 cats/ha; Sims et al. 2008). Thus, we believe that the eradication of feral cats from the island of Corvo would be technically fea ...
... in the lowland part of the island was substantially higher, the estimated density is still much lower than densities of domestic cats estimated in urban areas (1.3 – 15.8 cats/ha; Sims et al. 2008). Thus, we believe that the eradication of feral cats from the island of Corvo would be technically fea ...
Functional diversity and traitenvironment relationships of stream fish
... fluvial gradient of the Rı́o Grijalva Basin of southern Mexico, one of the largest rivers in Mesoamerica. The broad spatial extent of the study region allowed us to examine environmental influences at local and landscape scales across a range of habitat types. First, we documented the species compos ...
... fluvial gradient of the Rı́o Grijalva Basin of southern Mexico, one of the largest rivers in Mesoamerica. The broad spatial extent of the study region allowed us to examine environmental influences at local and landscape scales across a range of habitat types. First, we documented the species compos ...
Migratory Animals Couple Biodiversity and Ecosystem Functioning
... traveled, together with their seasonality, which generate pulsed, highly predictable interactions, critically differentiate migration from other types of movement. Moreover, by integrating resource peaks or avoiding periods of heightened mortality risk over time and space, migrants may sustain consi ...
... traveled, together with their seasonality, which generate pulsed, highly predictable interactions, critically differentiate migration from other types of movement. Moreover, by integrating resource peaks or avoiding periods of heightened mortality risk over time and space, migrants may sustain consi ...
Eleutherodactylus Frog Introductions to Hawaii
... and second-hand information from newspaper articles (McKeown 1998). McKeown (1998) did provide one vouchered specimen of E. coqui (USNM 515162, identified by R. Crombie, unexamined by us), although the locality data he provided are vague (USNM database records, R. Crombie, pers. comm.). We provide a ...
... and second-hand information from newspaper articles (McKeown 1998). McKeown (1998) did provide one vouchered specimen of E. coqui (USNM 515162, identified by R. Crombie, unexamined by us), although the locality data he provided are vague (USNM database records, R. Crombie, pers. comm.). We provide a ...
Biotic and abiotic factors constraining the distribution and
... axes. Pelliciera rhizophorae is a Neotropical mangrove with a narrow geographical range, specialized habitat, and generally sparse local abundance. I chose to study this species because it is an example of the rarest of the rare, and before I started this work, very little was known about the curren ...
... axes. Pelliciera rhizophorae is a Neotropical mangrove with a narrow geographical range, specialized habitat, and generally sparse local abundance. I chose to study this species because it is an example of the rarest of the rare, and before I started this work, very little was known about the curren ...
The influence of dispersal on zooplankton community structure and
... Diamond (1975) contributed to the understanding of ecological community development through his proposal of a series of community assembly rules (Table 1). For over a decade, Diamond studied bird populations on isolated islands in New Guinea and the Bismarck Archipelago, observing both positive and ...
... Diamond (1975) contributed to the understanding of ecological community development through his proposal of a series of community assembly rules (Table 1). For over a decade, Diamond studied bird populations on isolated islands in New Guinea and the Bismarck Archipelago, observing both positive and ...
Invasion of Norway spruce (Picea abies) and the rise of the boreal
... full potential of the palaeoecological records has not been used for increasing our understanding of critically important processes of colonization, population growth and competitive species interactions associated with species range shifts. The main reason for this may be a technical one. Palaeoeco ...
... full potential of the palaeoecological records has not been used for increasing our understanding of critically important processes of colonization, population growth and competitive species interactions associated with species range shifts. The main reason for this may be a technical one. Palaeoeco ...
Fragoso 2005 Trophic strucure tropics
... ecological importance of each interaction shifts through time. I further consider how the interactions between organisms in the same and different trophic levels can affect the diversity and abundance of different species, and speculate on how these interactions can initiate community formation, bio ...
... ecological importance of each interaction shifts through time. I further consider how the interactions between organisms in the same and different trophic levels can affect the diversity and abundance of different species, and speculate on how these interactions can initiate community formation, bio ...
Herbivory enhances the diversity of primary producers in pond
... experiments (Lubchenco 1978, Paine 1996) and models of predator- mediated coexistence (e.g., Holt et al. 1994, Leibold 1996, Thingstad 2000) suggest that natural enemies could diversify assemblages of their resources. Enemy-induced mortality allows more resistant prey to coexist with otherwise sup ...
... experiments (Lubchenco 1978, Paine 1996) and models of predator- mediated coexistence (e.g., Holt et al. 1994, Leibold 1996, Thingstad 2000) suggest that natural enemies could diversify assemblages of their resources. Enemy-induced mortality allows more resistant prey to coexist with otherwise sup ...
Facilitation contributes to Mediterranean woody plant diversity but
... gradient of the Western Mediterranean floristic region (a plant biodiversity hotspot; Medail & Quezel, 1997). We do this by assessing both the HBM and the SGH, two influential hypotheses that more commonly have been examined independently in previous studies. Studies connecting the HBM and the SGH ...
... gradient of the Western Mediterranean floristic region (a plant biodiversity hotspot; Medail & Quezel, 1997). We do this by assessing both the HBM and the SGH, two influential hypotheses that more commonly have been examined independently in previous studies. Studies connecting the HBM and the SGH ...
Protein sequence comparisons show that the
... version. These motif regions represent the majority of the sequences most conserved between HSV-1 and VZV, and outside them the herpesvirus sequences show much lower similarity to the non-herpesvirus sequences. However, in the region corresponding to Motif 3 the herpesviral sequences are not similar ...
... version. These motif regions represent the majority of the sequences most conserved between HSV-1 and VZV, and outside them the herpesvirus sequences show much lower similarity to the non-herpesvirus sequences. However, in the region corresponding to Motif 3 the herpesviral sequences are not similar ...
Patterns of morphology and resource use in North American desert
... to occur in African deserts where bipedal jerboas are associated with open areas more than are quadrupedal gerbils (e.g., Happold ...
... to occur in African deserts where bipedal jerboas are associated with open areas more than are quadrupedal gerbils (e.g., Happold ...
Species interactions and energy transfer in aquatic food webs
... which cannot be synthesized de-novo by heterotrophs have proven to be effective tracers in natural systems due to clear differentiation in relative δ13C ratios between different types of primary producers (Larsen et al. 2013), negligible trophic discrimination (Howland et al. 2003, McMahon et al. 20 ...
... which cannot be synthesized de-novo by heterotrophs have proven to be effective tracers in natural systems due to clear differentiation in relative δ13C ratios between different types of primary producers (Larsen et al. 2013), negligible trophic discrimination (Howland et al. 2003, McMahon et al. 20 ...
REVIEW ARTICLE A research strategy for
... achieved in order to meet long-term goals? Such exercises are commonly referred to in business as a needs assessment or gap analysis. Finally, we used the needs assessment to identify key research questions that will require resolution so that management goals can be met. Specialists or specialist g ...
... achieved in order to meet long-term goals? Such exercises are commonly referred to in business as a needs assessment or gap analysis. Finally, we used the needs assessment to identify key research questions that will require resolution so that management goals can be met. Specialists or specialist g ...
De Novo Sequencing and Homology Search with De Novo
... function, it becomes difficult to design efficient algorithm to find the optimal sequence. • A compromise between efficiency and accuracy is to employ a two-stage approach. – First, compute many (e.g. 10,000) sequences using an efficient score function that uses only a few of the most important ions ...
... function, it becomes difficult to design efficient algorithm to find the optimal sequence. • A compromise between efficiency and accuracy is to employ a two-stage approach. – First, compute many (e.g. 10,000) sequences using an efficient score function that uses only a few of the most important ions ...
Document
... in these cases there can be no ‘magic’ at all. However, there may still be pleiotropic effects of ecological adaptation on preferences or cues, and these effects are expected to drive trait evolution and divergence considerably faster than indirect selection emerging from variation in offspring fitn ...
... in these cases there can be no ‘magic’ at all. However, there may still be pleiotropic effects of ecological adaptation on preferences or cues, and these effects are expected to drive trait evolution and divergence considerably faster than indirect selection emerging from variation in offspring fitn ...
How the Magnitude of Prey Genetic Variation Alters Predator
... occur in the absence of evolution. In the absence of evolution, predator-prey systems are predicted to exhibit cycles where peaks in prey abundance precede peaks in predator abundance by less than a quarter of the cycle period (Bulmer 1975). In contrast, in experimental systems prey evolution has be ...
... occur in the absence of evolution. In the absence of evolution, predator-prey systems are predicted to exhibit cycles where peaks in prey abundance precede peaks in predator abundance by less than a quarter of the cycle period (Bulmer 1975). In contrast, in experimental systems prey evolution has be ...
the ecological consequences of changes in biodiversity
... are used to evaluate this theory. First, though, it is necessary to consider how the effects of species composition and species diversity can be distinguished. COMPOSITION ...
... are used to evaluate this theory. First, though, it is necessary to consider how the effects of species composition and species diversity can be distinguished. COMPOSITION ...
Designing marine reserves for interacting species: Insights
... habitat destruction in spatially explicit models where the superior colonizer disperses farther than the superior competitor (Klausmeier, 1998), especially with high levels of habitat fragmentation (Neuhauser, 1998). The above models generally predict that the superior competitor can be the most abu ...
... habitat destruction in spatially explicit models where the superior colonizer disperses farther than the superior competitor (Klausmeier, 1998), especially with high levels of habitat fragmentation (Neuhauser, 1998). The above models generally predict that the superior competitor can be the most abu ...
Biodiversity, Stability, and Productivity in Competitive Communities
... pend on diversity. Throughout the article, we use “diversity” to mean simply the total number of species in a community. Despite the differences among the models, all revealed consistent effects of diversity on temporal stability: community variability decreased and population variability increased ...
... pend on diversity. Throughout the article, we use “diversity” to mean simply the total number of species in a community. Despite the differences among the models, all revealed consistent effects of diversity on temporal stability: community variability decreased and population variability increased ...
Characterisation of the diol dehydratase pdu operon of Lactobacillus
... contains only the diol dehydratase operon. 3.4. Expression of the diol dehydratase activity The activity of the dehydratase measured in L. collinoides grown under di¡erent conditions is presented in Fig. 4A. Dehydratase activity was detected when glucose was used as carbon source. This activity incr ...
... contains only the diol dehydratase operon. 3.4. Expression of the diol dehydratase activity The activity of the dehydratase measured in L. collinoides grown under di¡erent conditions is presented in Fig. 4A. Dehydratase activity was detected when glucose was used as carbon source. This activity incr ...