Drought effects on seedling survival in a tropical moist forest
... periods leading to plant stress occur not only in dry forests, but also in moist and even wet forests. We quantified experimentally the effect of drought on survival of first year seedlings of 28 co-occurring tropical woody plant species in the understory of a tropical moist forest. The seedlings we ...
... periods leading to plant stress occur not only in dry forests, but also in moist and even wet forests. We quantified experimentally the effect of drought on survival of first year seedlings of 28 co-occurring tropical woody plant species in the understory of a tropical moist forest. The seedlings we ...
V) Maintenance of species diversity
... A) Definition: the sequential, predictable change in species composition over time following a disturbance - Primary succession – succession starts from a completely empty community (i.e. bare substratum) such as that following glaciations or a volcanic eruption - Secondary succession – when the maj ...
... A) Definition: the sequential, predictable change in species composition over time following a disturbance - Primary succession – succession starts from a completely empty community (i.e. bare substratum) such as that following glaciations or a volcanic eruption - Secondary succession – when the maj ...
Does a warmer climate with frequent mild water shortages
... environmental fluctuations because different species respond differently to these fluctuations, leading to functional compensations among species (Yachi and Loreau 1999; Tilman et al. 2006). In particular, in the presence of an extreme drought, high species richness (S) levels may increase the proba ...
... environmental fluctuations because different species respond differently to these fluctuations, leading to functional compensations among species (Yachi and Loreau 1999; Tilman et al. 2006). In particular, in the presence of an extreme drought, high species richness (S) levels may increase the proba ...
CHAPTER 50
... If researchers can determine the climatic limits of current geographic distributions for individual species, they can predict how that species distribution will change with global warming. A major question for tree species is whether seed dispersal is rapid enough to sustain the migration of the spe ...
... If researchers can determine the climatic limits of current geographic distributions for individual species, they can predict how that species distribution will change with global warming. A major question for tree species is whether seed dispersal is rapid enough to sustain the migration of the spe ...
lecture 25 ch 22 community development
... Theoretically ending in climax community that is self-replacing Sere = all stages of successional change Disturbance initiates succession; occur in all communities and vary in: Examples of disturbance; they differ in Size (scale) Frequency/predictability Intensity Level of environmental heterogeneit ...
... Theoretically ending in climax community that is self-replacing Sere = all stages of successional change Disturbance initiates succession; occur in all communities and vary in: Examples of disturbance; they differ in Size (scale) Frequency/predictability Intensity Level of environmental heterogeneit ...
Class Notes
... If researchers can determine the climatic limits of current geographic distributions for individual species, they can predict how that species distribution will change with global warming. A major question for tree species is whether seed dispersal is rapid enough to sustain the migration of the spe ...
... If researchers can determine the climatic limits of current geographic distributions for individual species, they can predict how that species distribution will change with global warming. A major question for tree species is whether seed dispersal is rapid enough to sustain the migration of the spe ...
... postulated by the San Francisco Estuary Project (SFEP); there is a correlation between abundance and X2 (as controlled by outflow), but it is not strong. This is consistent with the observations of Jassby et al. (1994) who noted that "the presence of unexplained variation is one signal that an exist ...
Katie`s lecture slides
... Transition from the acquisitive (‘fast and leaky’) to conservative (‘slow and tight’) strategies ...
... Transition from the acquisitive (‘fast and leaky’) to conservative (‘slow and tight’) strategies ...
KGA172_L2.3_final
... Revising Lecture 2.2 1. Define ecosystem. Explain its etymology. In terms of helping us understand nature, why might it matter that ecosystem has the same origins [derivation] as household – from the Greek oikos? 2. How does Eugene Odum specifically describe ecology and in what ways is the idea of ...
... Revising Lecture 2.2 1. Define ecosystem. Explain its etymology. In terms of helping us understand nature, why might it matter that ecosystem has the same origins [derivation] as household – from the Greek oikos? 2. How does Eugene Odum specifically describe ecology and in what ways is the idea of ...
Why behavioural responses may not reflect the
... for species that feed on mobile or highly aggregated prey, the costs of moving to alternative sites may be great, especially if they are territorial or experience high levels of interference competition. Such species could then be forced to tolerate disturbance which may or may not aect survival or ...
... for species that feed on mobile or highly aggregated prey, the costs of moving to alternative sites may be great, especially if they are territorial or experience high levels of interference competition. Such species could then be forced to tolerate disturbance which may or may not aect survival or ...
Appendix 3- Likely Significant Effects_Final
... Newark and Sherwood (Rufford Incinerator), was backed by the Secretary of State (May 2011). The likely significant impact of the development on Nightjar and Woodlark was a major determining issue; the Secretary of State agreed that, whilst the application site was within an area not currently identi ...
... Newark and Sherwood (Rufford Incinerator), was backed by the Secretary of State (May 2011). The likely significant impact of the development on Nightjar and Woodlark was a major determining issue; the Secretary of State agreed that, whilst the application site was within an area not currently identi ...
Disturbance regime and limits on benefits of - Everglades-HUB
... as its impact on communities, is determined by the intensity, duration, and return time of physical events (White and Pickett 1985), and is perhaps modified by refuge use. Intensity (defined here as magnitude of physical event) and duration of a disturbance influence both the strength of the environmen ...
... as its impact on communities, is determined by the intensity, duration, and return time of physical events (White and Pickett 1985), and is perhaps modified by refuge use. Intensity (defined here as magnitude of physical event) and duration of a disturbance influence both the strength of the environmen ...
disturbance
... Gleason, challenged whether communities were at equilibrium • Recent evidence of change has led to a nonequilibrium model, which describes communities as constantly changing after being buffeted by disturbances • A disturbance is an event that changes a community, removes organisms from it, and alte ...
... Gleason, challenged whether communities were at equilibrium • Recent evidence of change has led to a nonequilibrium model, which describes communities as constantly changing after being buffeted by disturbances • A disturbance is an event that changes a community, removes organisms from it, and alte ...
How Changes Occur Naturally in Ecosystems
... In natural selection, the best-adapted members of a species survive to reproduce. These individuals may pass favourable characteristics on to their offspring. As abiotic and biotic components of their environment change, adaptive radiation may result. This term describes the change from a common anc ...
... In natural selection, the best-adapted members of a species survive to reproduce. These individuals may pass favourable characteristics on to their offspring. As abiotic and biotic components of their environment change, adaptive radiation may result. This term describes the change from a common anc ...
Invertebrate assemblages of pools in aridland streams have high
... abundances and higher densities than the moderate and control treatments. This finding suggests that density-dependent processes generated by decreased available habitat may be more important determinants of community composition during droughts than abiotic stress in this system. 5. We observed a n ...
... abundances and higher densities than the moderate and control treatments. This finding suggests that density-dependent processes generated by decreased available habitat may be more important determinants of community composition during droughts than abiotic stress in this system. 5. We observed a n ...
Wetland Biodiversity - Klamath Bird Observatory
... shellfish, which have important commercial and recreational value, reproduce and spend part or all of their life cycle in wetlands. A wide variety of reptiles, amphibians, insects, and crustaceans also breed and live in wetlands. Many mammals, including beavers, otters, and minks, depend on wet ...
... shellfish, which have important commercial and recreational value, reproduce and spend part or all of their life cycle in wetlands. A wide variety of reptiles, amphibians, insects, and crustaceans also breed and live in wetlands. Many mammals, including beavers, otters, and minks, depend on wet ...
Introduction to Ecology Lab practical next week What is ecology? 1
... • a population is a group of organisms of the same species living in the same place at the same time. • questions are related to factors that affect the number of individuals living in a habitat – size, distribution of population? - birth and death rates? - population growth rate? ...
... • a population is a group of organisms of the same species living in the same place at the same time. • questions are related to factors that affect the number of individuals living in a habitat – size, distribution of population? - birth and death rates? - population growth rate? ...
Applying Reconciliation Ecology Concepts To Salmonid Habitat
... Applying Reconciliation Ecology Concepts To Salmonid Habitat Restoration And Enhancement ...
... Applying Reconciliation Ecology Concepts To Salmonid Habitat Restoration And Enhancement ...
Establishing the Everglades Headwaters National Wildlife Refuge
... After sufficient lands and conservation easements have been acquired, another intensive planning effort will take place to develop a long-range management plan called the Comprehensive Conservation Plan. ...
... After sufficient lands and conservation easements have been acquired, another intensive planning effort will take place to develop a long-range management plan called the Comprehensive Conservation Plan. ...
Floods and disturbances
... force, it consists of two main components: • Intensity- a measure of the strength of the disturbing force • Severity- a measure of the damage caused • The physiological and morphological characteristics of organisms ...
... force, it consists of two main components: • Intensity- a measure of the strength of the disturbing force • Severity- a measure of the damage caused • The physiological and morphological characteristics of organisms ...
Biodiversity, Scale and Ecological Resilience
... and delivery. Fish populations thrive and reproduce in times of flooding and are concentrated by lowering water levels to the point where wading birds can easily feed on them. Water management schedules for canals in the Everglades has changed these hydrological patterns to the point where they are ...
... and delivery. Fish populations thrive and reproduce in times of flooding and are concentrated by lowering water levels to the point where wading birds can easily feed on them. Water management schedules for canals in the Everglades has changed these hydrological patterns to the point where they are ...
lecture4_new_2013 - Faculty Washington
... Torgersen, C.E., Ebersole, J.L., Keenan, D.M., 2012, Primer for Identifying ColdWater Refuges to Protect and Restore Thermal Diversity in Riverine Landscapes: U.S. Environmental Protection Agency EPA 910-C-12-001, p. 91. Urmy, S. 2012. Temporal variability and bio-physical coupling in the pelagic fa ...
... Torgersen, C.E., Ebersole, J.L., Keenan, D.M., 2012, Primer for Identifying ColdWater Refuges to Protect and Restore Thermal Diversity in Riverine Landscapes: U.S. Environmental Protection Agency EPA 910-C-12-001, p. 91. Urmy, S. 2012. Temporal variability and bio-physical coupling in the pelagic fa ...
Ecology
... can sense light and dark to help it maneuver. It is very small and not strong, and cannot hold on to rocks very tightly when waves are high, so it remains in its tight crevices when the tide is high or the waves are very rough. When the water is too cold it becomes very sluggish and cannot move quic ...
... can sense light and dark to help it maneuver. It is very small and not strong, and cannot hold on to rocks very tightly when waves are high, so it remains in its tight crevices when the tide is high or the waves are very rough. When the water is too cold it becomes very sluggish and cannot move quic ...
9_maintenance of diversity
... ii) Inhibition: early species inhibit later species from colonizing… - later species colonize when early species die - as they colonize, later species out-compete earlier species iii) Tolerance: no interactions (positive or negative) between earlier and later species… - earlier species are quick to ...
... ii) Inhibition: early species inhibit later species from colonizing… - later species colonize when early species die - as they colonize, later species out-compete earlier species iii) Tolerance: no interactions (positive or negative) between earlier and later species… - earlier species are quick to ...
Innovation Workshop - Integrating biodiversity
... Design principles – ecological function ● Native vegetation will broadly sustain the greatest biodiversity – emulate natural ecosystems to create maximum opportunities ● Functioning natural systems are required to sustain biodiversity (succession, nutrients, water, air quality, pollination etc – al ...
... Design principles – ecological function ● Native vegetation will broadly sustain the greatest biodiversity – emulate natural ecosystems to create maximum opportunities ● Functioning natural systems are required to sustain biodiversity (succession, nutrients, water, air quality, pollination etc – al ...