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Coral reefs and algal beds Tropical wet forest Wetlands Tropical dry forest Temperate evergreen forest Estuary Temperate deciduous forest Savanna Boreal forest Woodland and shrubland bland Cultivated land Temperate grassland Upwelling zones Ocean neritic zone Lake and stream Tundra Open ocean Desert and semidesert scrub Rock, sand, ice (a) NPP per unit area 0 Aquatic Terrestrial open ocean algal beds and reefs (b) Area covered, by ecosystem type X 500 1000 1500 2000 2500 0 Average net primary production (g/m²/yr) Which aquatic habitat type in the figure makes available the most net biomass tissue per unit area available for consumers? tropical wet forest wetlands 1 2 3 4 5 6 Percentage of Earth's surface area (c) Total NPP 65 0 10 15 20 5 Percentage of Earth's net primary production 25

Coral reefs and algal beds Tropical wet forest Wetlands Tropical dry forest Temperate evergreen forest Estuary Temperate deciduous forest Savanna Boreal forest Woodland and shrubland bland Cultivated land Temperate grassland Upwelling zones Ocean neritic zone Lake and stream Tundra Open ocean Desert and semidesert scrub Rock, sand, ice (a) NPP per unit area 0 Aquatic Terrestrial open ocean algal beds and reefs (b) Area covered, by ecosystem type X 500 1000 1500 2000 2500 0 Average net primary production (g/m²/yr) Which aquatic habitat type in the figure makes available the most net biomass tissue per unit area available for consumers? tropical wet forest wetlands 1 2 3 4 5 6 Percentage of Earth's surface area (c) Total NPP 65 0 10 15 20 5 Percentage of Earth's net primary production 25

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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### Net Primary Production (NPP) by Ecosystem Type Net Primary Production (NPP) refers to the amount of biomass produced by primary producers, such as plants and algae, minus the energy used by these organisms for respiration. This is a crucial metric in understanding the energy flow in ecosystems. **Graph Descriptions:** The data is presented in three graphs, with each graph showing different aspects of NPP across various ecosystem types. #### (a) NPP per unit area - This bar graph displays the average net primary production per unit area (g/m²/yr) for different ecosystems. - Both terrestrial (green) and aquatic (blue) ecosystems are plotted. - Coral reefs and algal beds have the highest NPP per unit area among aquatic ecosystems. - Tropical wet forests and wetlands are leading among terrestrial ecosystems. #### (b) Area covered by ecosystem type - This bar graph shows the percentage of Earth's surface area covered by each ecosystem type. - Terrestrial ecosystems cover larger areas compared to aquatic ecosystems. - For example, tropical dry forests and temperate grasslands cover a significant portion of the Earth's surface. #### (c) Total NPP - This graph shows the percentage of Earth's total net primary production that is contributed by each ecosystem type. - It takes into account both the NPP per unit area and the area covered by each ecosystem. - Tropical wet forests and open oceans contribute substantially to the total NPP due to their high productivity and/or large coverage area. **Question and Answer Section:** Question: Which aquatic habitat type in the figure makes available the most net biomass tissue per unit area available for consumers? - Options: - Tropical wet forest - Wetlands - Open ocean - Algal beds and reefs Answer: - **Algal beds and reefs**: Among aquatic ecosystems, algal beds and reefs have the highest net primary production per unit area. Therefore, they provide the most net biomass tissue per unit area available for consumers. Understanding how different ecosystems contribute to global NPP is fundamental for ecological studies and conservation efforts. Each ecosystem plays a unique role in the biosphere, and measures of NPP help in grasping the overall productivity and health of the planet.
Transcribed Image Text:### Net Primary Production (NPP) by Ecosystem Type Net Primary Production (NPP) refers to the amount of biomass produced by primary producers, such as plants and algae, minus the energy used by these organisms for respiration. This is a crucial metric in understanding the energy flow in ecosystems. **Graph Descriptions:** The data is presented in three graphs, with each graph showing different aspects of NPP across various ecosystem types. #### (a) NPP per unit area - This bar graph displays the average net primary production per unit area (g/m²/yr) for different ecosystems. - Both terrestrial (green) and aquatic (blue) ecosystems are plotted. - Coral reefs and algal beds have the highest NPP per unit area among aquatic ecosystems. - Tropical wet forests and wetlands are leading among terrestrial ecosystems. #### (b) Area covered by ecosystem type - This bar graph shows the percentage of Earth's surface area covered by each ecosystem type. - Terrestrial ecosystems cover larger areas compared to aquatic ecosystems. - For example, tropical dry forests and temperate grasslands cover a significant portion of the Earth's surface. #### (c) Total NPP - This graph shows the percentage of Earth's total net primary production that is contributed by each ecosystem type. - It takes into account both the NPP per unit area and the area covered by each ecosystem. - Tropical wet forests and open oceans contribute substantially to the total NPP due to their high productivity and/or large coverage area. **Question and Answer Section:** Question: Which aquatic habitat type in the figure makes available the most net biomass tissue per unit area available for consumers? - Options: - Tropical wet forest - Wetlands - Open ocean - Algal beds and reefs Answer: - **Algal beds and reefs**: Among aquatic ecosystems, algal beds and reefs have the highest net primary production per unit area. Therefore, they provide the most net biomass tissue per unit area available for consumers. Understanding how different ecosystems contribute to global NPP is fundamental for ecological studies and conservation efforts. Each ecosystem plays a unique role in the biosphere, and measures of NPP help in grasping the overall productivity and health of the planet.
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