Human Impacts on Wetlands and Mangroves - AP Environmental Science
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Name a policy measure to protect wetlands.
Name a policy measure to protect wetlands.
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Establishment of protected areas. Legal designation prevents development and destruction.
Establishment of protected areas. Legal designation prevents development and destruction.
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Which greenhouse gas is sequestered by wetlands?
Which greenhouse gas is sequestered by wetlands?
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Carbon dioxide. Stored in wetland soils and plant biomass.
Carbon dioxide. Stored in wetland soils and plant biomass.
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What is the effect of rising sea levels on mangroves?
What is the effect of rising sea levels on mangroves?
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Increased inundation. Higher water levels can drown mangrove roots.
Increased inundation. Higher water levels can drown mangrove roots.
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Identify a benefit of wetland restoration.
Identify a benefit of wetland restoration.
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Improved water quality. Restored wetlands filter pollutants from water.
Improved water quality. Restored wetlands filter pollutants from water.
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What is a direct effect of oil spills on mangroves?
What is a direct effect of oil spills on mangroves?
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Root suffocation. Oil coats roots, preventing oxygen exchange.
Root suffocation. Oil coats roots, preventing oxygen exchange.
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Name an adaptive measure for protecting wetlands from sea-level rise.
Name an adaptive measure for protecting wetlands from sea-level rise.
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Building levees. Artificial barriers protect against flooding.
Building levees. Artificial barriers protect against flooding.
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Name one invasive species threatening wetlands.
Name one invasive species threatening wetlands.
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Purple loosestrife. Non-native species that outcompetes native plants.
Purple loosestrife. Non-native species that outcompetes native plants.
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Which human action can lead to wetland acidification?
Which human action can lead to wetland acidification?
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Acid rain deposition. Sulfur compounds lower pH of wetland water.
Acid rain deposition. Sulfur compounds lower pH of wetland water.
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Identify an ecosystem service provided by intact mangroves.
Identify an ecosystem service provided by intact mangroves.
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Storm surge protection. Acts as natural barrier against hurricane damage.
Storm surge protection. Acts as natural barrier against hurricane damage.
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Identify a reason for the conversion of wetlands to agriculture.
Identify a reason for the conversion of wetlands to agriculture.
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Increased food production. Agriculture provides economic incentive for conversion.
Increased food production. Agriculture provides economic incentive for conversion.
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Identify an effect of climate change on mangroves.
Identify an effect of climate change on mangroves.
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Sea level rise. Higher water levels threaten mangrove survival.
Sea level rise. Higher water levels threaten mangrove survival.
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Which human-induced factor reduces dissolved oxygen in wetlands?
Which human-induced factor reduces dissolved oxygen in wetlands?
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Nutrient pollution. Excess nutrients cause algal blooms that consume oxygen.
Nutrient pollution. Excess nutrients cause algal blooms that consume oxygen.
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Which human-induced factor reduces dissolved oxygen in wetlands?
Which human-induced factor reduces dissolved oxygen in wetlands?
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Nutrient pollution. Excess nutrients cause algal blooms that consume oxygen.
Nutrient pollution. Excess nutrients cause algal blooms that consume oxygen.
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Identify a reason for the conversion of wetlands to agriculture.
Identify a reason for the conversion of wetlands to agriculture.
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Increased food production. Agriculture provides economic incentive for conversion.
Increased food production. Agriculture provides economic incentive for conversion.
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What is a consequence of mangrove removal on coastal erosion?
What is a consequence of mangrove removal on coastal erosion?
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Increased erosion rates. Loss of natural barriers accelerates shore erosion.
Increased erosion rates. Loss of natural barriers accelerates shore erosion.
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What is an indirect consequence of overfishing near mangroves?
What is an indirect consequence of overfishing near mangroves?
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Loss of biodiversity. Disrupts food webs by removing key species.
Loss of biodiversity. Disrupts food webs by removing key species.
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What is a direct impact of freshwater diversion on wetlands?
What is a direct impact of freshwater diversion on wetlands?
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Altered water balance. Reduces water availability for wetland ecosystems.
Altered water balance. Reduces water availability for wetland ecosystems.
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What is a primary human activity threatening wetlands?
What is a primary human activity threatening wetlands?
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Urban development. Converts natural habitats to housing and commercial areas.
Urban development. Converts natural habitats to housing and commercial areas.
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Identify one consequence of wetland drainage.
Identify one consequence of wetland drainage.
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Loss of biodiversity. Eliminates critical habitat for numerous species.
Loss of biodiversity. Eliminates critical habitat for numerous species.
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What is the effect of increased carbon emissions on wetlands?
What is the effect of increased carbon emissions on wetlands?
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Enhanced greenhouse effect. Climate change affects wetland water levels.
Enhanced greenhouse effect. Climate change affects wetland water levels.
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What is a natural service provided by wetlands?
What is a natural service provided by wetlands?
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Water filtration. Plants and sediments trap pollutants and purify water.
Water filtration. Plants and sediments trap pollutants and purify water.
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Which human action can lead to wetland acidification?
Which human action can lead to wetland acidification?
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Acid rain deposition. Sulfur compounds lower pH of wetland water.
Acid rain deposition. Sulfur compounds lower pH of wetland water.
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Identify a benefit of wetland restoration.
Identify a benefit of wetland restoration.
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Improved water quality. Restored wetlands filter pollutants from water.
Improved water quality. Restored wetlands filter pollutants from water.
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Identify an effect of climate change on mangroves.
Identify an effect of climate change on mangroves.
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Sea level rise. Higher water levels threaten mangrove survival.
Sea level rise. Higher water levels threaten mangrove survival.
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Name one invasive species threatening wetlands.
Name one invasive species threatening wetlands.
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Purple loosestrife. Non-native species that outcompetes native plants.
Purple loosestrife. Non-native species that outcompetes native plants.
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What is one effect of pesticides on wetland ecosystems?
What is one effect of pesticides on wetland ecosystems?
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Toxicity to aquatic life. Chemicals harm fish, amphibians, and other organisms.
Toxicity to aquatic life. Chemicals harm fish, amphibians, and other organisms.
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Identify the consequence of industrial waste discharge into wetlands.
Identify the consequence of industrial waste discharge into wetlands.
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Chemical contamination. Toxic substances poison plants and animals.
Chemical contamination. Toxic substances poison plants and animals.
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State an effect of increased salinity in wetlands.
State an effect of increased salinity in wetlands.
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Decreased plant diversity. Salt stress kills plants not adapted to saline conditions.
Decreased plant diversity. Salt stress kills plants not adapted to saline conditions.
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Name a policy measure to protect wetlands.
Name a policy measure to protect wetlands.
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Establishment of protected areas. Legal designation prevents development and destruction.
Establishment of protected areas. Legal designation prevents development and destruction.
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What is a common pollutant found in wetlands?
What is a common pollutant found in wetlands?
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Heavy metals. Toxic metals from industry accumulate in sediments.
Heavy metals. Toxic metals from industry accumulate in sediments.
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