Refer to Table 2 in the article.  The data here indicate that there was a steep population decline in mollusc density from 1982 to 2021.  Do these data indicate that the decline will continue into the future?   Yes; the ocean temperatures are warming globally, and the data show this decline in abundance will continue.   No; if the abundance of molluscs fluctuates over time, then the decline might appear only because of the particular time points sampled.   No; the locations of the mollusc populations represented in this table are too geographically close together to separate out the data.   Yes; the decline is very steep, and there is little likelihood that the mollusc abundance will recover.   article reference:   Responses of intertidal invertebrates to rising sea surface temperatures in the southeastern Indian Ocean by: Fred E. Wells

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Refer to Table 2 in the article.  The data here indicate that there was a steep population decline in mollusc density from 1982 to 2021.  Do these data indicate that the decline will continue into the future?
 
Yes; the ocean temperatures are warming globally, and the data show this decline in abundance will continue.
 
No; if the abundance of molluscs fluctuates over time, then the decline might appear only because of the particular time points sampled.
 
No; the locations of the mollusc populations represented in this table are too geographically close together to separate out the data.
 
Yes; the decline is very steep, and there is little likelihood that the mollusc abundance will recover.
 
article reference:
 

Responses of intertidal invertebrates to rising sea surface temperatures in the southeastern Indian Ocean

by: Fred E. Wells

TABLE 2 Density of molluscs on intertidal platforms at Rottnest Island, Western Australia in 1982, 2007 and 2021.
Mean Density (ind/m² ± 1SE)
2007
Radar Reef
Cape Vlamingh
Frontiers in Marine Science
Platform
Limpet zone
Overall
Platform
Limpet zone
Overall
1982
138 28.3
11.5±2.5
131 +17,9
146 15.6
614+ 40.2
135.0+ 14.8
07
204 + 49.6
26.0+ 2.0
198 37.1
54.3 +7.9
41.0 + 16.2
51.9 ± 7.1
2021
2.6 ± 0.6
12.0 ± 0.8
3.2 ± 0.6
0.8 +0.2
46.8 6.9
7.4±2.8
Change
2007-2021
-99%
-54%
-98%
-99%
14%
-86%
frontiersin.org
Transcribed Image Text:TABLE 2 Density of molluscs on intertidal platforms at Rottnest Island, Western Australia in 1982, 2007 and 2021. Mean Density (ind/m² ± 1SE) 2007 Radar Reef Cape Vlamingh Frontiers in Marine Science Platform Limpet zone Overall Platform Limpet zone Overall 1982 138 28.3 11.5±2.5 131 +17,9 146 15.6 614+ 40.2 135.0+ 14.8 07 204 + 49.6 26.0+ 2.0 198 37.1 54.3 +7.9 41.0 + 16.2 51.9 ± 7.1 2021 2.6 ± 0.6 12.0 ± 0.8 3.2 ± 0.6 0.8 +0.2 46.8 6.9 7.4±2.8 Change 2007-2021 -99% -54% -98% -99% 14% -86% frontiersin.org
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