10 Questions
What is the relationship between local population disappearances and whole species extinctions?
Disappearances of local populations within a species range are more frequent and better documented than whole species’ extinctions.
What is the possible attribution to climate change for disappearances at sites with minimal non-climatic stressors?
Climate change
Which is more important in affecting local extinction rates: changes in mean annual temperature or changes in temperature extremes?
Changes in temperature extremes
According to a global meta-analysis, what factors were strongly related to changes in population abundances for various species?
Temperature variability globally and precipitation variability in lower latitudes
In a global study of plant and animal species, what types of changes in temperature were associated with local extinctions?
Smaller changes in mean annual temperature but larger and faster changes in hottest yearly temperatures
Match the following factors with their relationship to local extinctions:
Changes in mean annual temperature = Associated with smaller changes in local extinctions Temperature extremes = Often more important in affecting local extinction rates Hottest yearly temperatures = Associated with larger and faster changes in local extinctions Precipitation variability = Significantly related to changes in population abundances in lower latitudes
Match the following species with their likelihood of local extinctions near warm range limits:
Birds = 44% of species had suffered local extinctions Mammals = 44% of species had suffered local extinctions Amphibians = 44% of species had suffered local extinctions Fish = 44% of species had suffered local extinctions
Match the following types of species with the factors strongly related to their population abundances:
Birds, mammals, amphibians, fish, invertebrates, and plants = Temperature variability globally Plants and animal species = Smaller changes in mean annual temperature but larger and faster changes in hottest yearly temperatures
Match the following types of sites with the types of changes in temperature associated with local extinctions:
Sites with local extinctions = Smaller changes in mean annual temperature Sites where populations persisted = Larger and faster changes in hottest yearly temperatures
Match the following types of species with their likelihood of local extinctions at sites with minimal non-climatic stressors:
Birds, mammals, amphibians, fish, invertebrates, and plants = Attribution to climate change is possible Plants and animal species = Attribution to climate change is possible
Test your knowledge on the causes and impacts of local population disappearances within species ranges, with a focus on climate change attribution. Explore the significance of temperature extremes and their role in local extinction rates.
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