Definitions
Diversity
Environment Interactions
Ecological Succession
Community structure
Interpreting Plots
100
A ________ _________ is a designated, managed landscape feature—such as a strip of forest, riverbank, or greenway—that connects fragmented wildlife habitats
Ecological Corridor
100
A __________ species is a species that has a disproportionately large effect on its natural environment.
Keystone
100
________ ________ is an ecological discipline focused on reintroducing species, restoring habitat and/or reestablishing whole communities.
Restoration Ecology
100
grass colonizing newly formed dunes is known as
primary succession
100
A _________ is a group of species
inhabiting a given area and interacting,
directly or indirectly
community
100
If the reproduction rate (r) of the prey is 10 and their capture rate is 2 (c), what would happen to the prey population if there are 6 predators?
Decrease
150
_______ ________ is the process by which competing species use the environment differently, such as by eating different foods or occupying different areas, to reduce competition and coexist
Niche partitioning
150
Species ________ is the fundamental measure of biodiversity that counts the total number of different species present in a specific community or ecosystem.
richness
150
Organisms that live at or near boundaries are called
edge species
150
Without regular fires, what type of trees will eventually replace longleaf pines through natural succession?
hardwoods
150
In terrestrial community systems physical structure is primarily a result of what kind of zonation?
Vertical
150
In the rank abundance a steeper slope of community A means it is less _____ than community B
Even
200
A __________ ________ is a heterogeneous geographic area composed of a patchwork of different, interacting ecosystems or land-cover types.
landscape mosaic
200
________ ________ measures the proportion of one species compared to the total number of species in a sample or community.
Relative abundance
200
The effects of climate change have led to _______ regions experiencing more drastic warming.
Arctic
200
In early succession _______ factors are usually more important than _______ factors.
abiotic, biotic
200
Climate change can impact physiology and reproduction cues leading drastic behavioral changes for example changing the timing of birds ________ patterns
migratory
200
In the plot below Chthamalus is limited by ____ ________ _________
its realized niche
250
_________ is the term used for environmental changes resulting from activities of the organisms that are present in a community.
Autogenic
250
This index is best used to understand dominance.
Simpson's
250
In lower latitude aquatic environments, the ________ leads to lower nutrients and low NPP year round.
Thermocline
250
A plant species that are favored immediately following disturbance.
Ruderal
250
a _______ _______ is a powerful, indirect interaction that occurs when the abundance or behavior of a top predator in a food web significantly alters the population of other species, including primary producers.
trophic cascade
250
At high resource availability A & B are more successful ___________ while at low resource availability D & E are more _______ ________.
Competitors, stress tolerant
300
Environmental changes resulting from features of the physical environment like temperature, precipitation, or sediment deposition are examples of ________ changes.
Allogenic
300
Species richness of terrestrial species strongly correlates most with ____________.
AET (actual evapotranspiration)
300
When boundaries are broad, with gradual change, they are called ________
ecotones
300
_________ biome is a type of woodland characterized by dense, spiny shrubs with hot, dry summers and mild, wet winters; often shaped by periodic wildfires and are found in coastal regions worldwide
chapparal
300
Edges support relatively high diversity due to _______ ________
habitat heterogeneity
300
Given MacArthur and Wilson’s Theory of Island Biogeography model, if the island were bigger than this one expressed in the plot what line would it effect and what would the species equilibrium number go up or down?
Extinction line and go up