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What percent of jellyfish biomass was found along the coastal region in 1997? a.40–50% b.60–70% c.80–90% Which region of the Barents Sea experienced very little jellyfish biomass during the study? a.Central b.Eastern c.Western d.Northern e.Both c and d are correct. What percent of jellyfish biomass was found along the Eastern region of the Barents Sea in 2003? a.20% b.40% c.60% d.80%

What percent of jellyfish biomass was found along the coastal region in 1997? a.40–50% b.60–70% c.80–90% Which region of the Barents Sea experienced very little jellyfish biomass during the study? a.Central b.Eastern c.Western d.Northern e.Both c and d are correct. What percent of jellyfish biomass was found along the Eastern region of the Barents Sea in 2003? a.20% b.40% c.60% d.80%

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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What percent of jellyfish biomass was found along the coastal region in 1997?
a.40–50%
b.60–70%
c.80–90%

Which region of the Barents Sea experienced very little jellyfish biomass during the study?
a.Central
b.Eastern
c.Western
d.Northern
e.Both c and d are correct.

What percent of jellyfish biomass was found along the Eastern region of the Barents Sea in 2003?
a.20%
b.40%
c.60%
d.80%

### Changes in Jellyfish Biomass in the Barents Sea (1980-2010) #### Overview **Figure 8B-4** demonstrates the changes in jellyfish biomass in the Barents Sea over a 30-year period, from 1980 to 2010. This data is presented both through a solid black line graph, which indicates the total jellyfish biomass in \(10^9\) kg, and colored bars displaying the percentage of jellyfish biomass distributed across different sections of the sea. #### Graph Explanation The graph comprises two main elements: 1. **Colored Bars**: These represent the spatial distribution of jellyfish biomass across various sections of the Barents Sea. The key at the bottom indicates the different regions: - **North-western:** Yellow - **Northern:** Light blue - **Western:** Purple - **Eastern:** Red - **Central:** Green - **Coastal:** Dark blue 2. **Solid Black Line**: This line traces the total annual jellyfish biomass, plotted against the secondary y-axis on the right side. The vertical axis on the right measures the biomass in \(10^9\) kg, ranging from 0 to 6. #### Observations - From 1980 to 1992, the biomass remains relatively low and fluctuates moderately. - There is a noticeable increase starting in 1993, peaking dramatically around 2001 at over 5 \(10^9\) kg. - Following this peak, there is a sharp decline from 2002 onwards, leveling off but remaining low in subsequent years. #### Regional Distribution - The distribution of biomass among different regions varies each year. For instance: - The **Eastern** region (red) shows a consistent presence throughout the years. - The **Northern** region (light blue) appears more prominently in certain years. - The **Central** region (green), **Coastal** region (dark blue), and **North-western** region (yellow) also exhibit variability. #### Reference The data and analysis contained in this figure are credited to Eriksen et al., 2012. This graph is a vital tool in understanding the climatic and environmental influences on marine ecosystems, reflecting how jellyfish biomass distribution and abundance can vary significantly over time. --- **Figure 8B-4**: The variation in jellyfish biomass in the Barents Sea (\(10^9
Transcribed Image Text:### Changes in Jellyfish Biomass in the Barents Sea (1980-2010) #### Overview **Figure 8B-4** demonstrates the changes in jellyfish biomass in the Barents Sea over a 30-year period, from 1980 to 2010. This data is presented both through a solid black line graph, which indicates the total jellyfish biomass in \(10^9\) kg, and colored bars displaying the percentage of jellyfish biomass distributed across different sections of the sea. #### Graph Explanation The graph comprises two main elements: 1. **Colored Bars**: These represent the spatial distribution of jellyfish biomass across various sections of the Barents Sea. The key at the bottom indicates the different regions: - **North-western:** Yellow - **Northern:** Light blue - **Western:** Purple - **Eastern:** Red - **Central:** Green - **Coastal:** Dark blue 2. **Solid Black Line**: This line traces the total annual jellyfish biomass, plotted against the secondary y-axis on the right side. The vertical axis on the right measures the biomass in \(10^9\) kg, ranging from 0 to 6. #### Observations - From 1980 to 1992, the biomass remains relatively low and fluctuates moderately. - There is a noticeable increase starting in 1993, peaking dramatically around 2001 at over 5 \(10^9\) kg. - Following this peak, there is a sharp decline from 2002 onwards, leveling off but remaining low in subsequent years. #### Regional Distribution - The distribution of biomass among different regions varies each year. For instance: - The **Eastern** region (red) shows a consistent presence throughout the years. - The **Northern** region (light blue) appears more prominently in certain years. - The **Central** region (green), **Coastal** region (dark blue), and **North-western** region (yellow) also exhibit variability. #### Reference The data and analysis contained in this figure are credited to Eriksen et al., 2012. This graph is a vital tool in understanding the climatic and environmental influences on marine ecosystems, reflecting how jellyfish biomass distribution and abundance can vary significantly over time. --- **Figure 8B-4**: The variation in jellyfish biomass in the Barents Sea (\(10^9
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