1. Are groups in close proximity more similar than groups that are further apart
ID: 207823 • Letter: 1
Question
1. Are groups in close proximity more similar than groups that are further apart? Is there evidence for distance decay relationships? If so, what forces create these spatial patterns? If not, what forces eliminate these patterns? (distance increases with higher numbers )
Legume Species Numbers in Group 1 Relative abundance (%) Group 1 Numbers in Group 2 Relative abundance (%) Group 2 Numbers in Group 3 Relative abundance (%) Group 3 Numbers in Group 4 Relative abundance (%) Group 4 Numbers in Group 5 Relative abundance (%) Group 5 Numbers in Group 6 Relative abundance (%) Group 6 Numbers in Group 7 Relative abundance (%) Group 7 Total RA average Rank Abundance Log% Abundance Pinto 180.50 47.75 141.50 43.61 136.00 39.42 123.50 45.24 299.00 42.53 159.00 49.23 173.25 44.31 3.79 Black 107.50 28.44 86.00 26.50 122.00 35.36 63.00 23.08 204.00 29.02 81.00 25.08 110.58 28.28 3.34 Navy 19.00 5.03 24.00 7.40 19.00 5.51 22.00 8.06 55.00 7.82 16.50 5.11 25.92 6.63 1.89 Black-eye peas 14.00 3.70 11.00 3.39 14.00 4.06 16.50 6.04 29.00 4.13 14.00 4.33 16.42 4.20 1.43 Kidney 9.50 2.51 10.00 3.08 6.00 1.74 8.50 3.11 22.00 3.13 9.50 2.94 10.92 2.79 1.03 Small-red 8.00 2.12 9.00 2.77 8.00 2.32 5.50 2.01 26.00 3.70 7.00 2.17 10.58 2.71 1.00 Anasazi 7.50 1.98 11.50 3.54 5.00 1.45 4.50 1.65 17.00 2.42 4.50 1.39 8.33 2.13 0.76 Chick-peas 8.50 2.25 8.00 2.47 2.00 0.58 4.00 1.47 8.00 1.14 8.50 2.63 6.50 1.66 0.51 Lima 3.50 0.93 4.00 1.23 6.00 1.74 3.50 1.28 6.00 0.85 2.00 0.62 4.17 1.07 0.06 Green Peas 20.00 5.29 15.50 4.78 22.00 6.38 16.00 5.86 37.00 5.26 16.50 5.11 21.17 5.41 1.69 Peanuts 8.00 2.12 4.00 1.23 5.00 1.45 6.00 2.20 7.00 1.00 4.50 1.39 5.75 1.47 0.39 GRAND TOTAL 378.00 324.50 345.00 273.00 703.00 323.00 391.08 Species Richness (S) Chao Relatva Nubers in abundance si abundance Nurmbers in e 1%) Numbers in s in abundarceNurmbers in Rank Abundance Lo Abudance 44. 107.50| 2844| 86.00| 20.5 35.36 03.003.0 Elack 14.00 3.201 11.0 6.04 4.13 1.74 8.00212 1.99 4.50 1.65 Chirk 3.50 120 0.38/ 10.00 .20 20.00 329 5.11 8.00 5.00Explanation / Answer
Yes, groups in close proximity are more similar than groups that are further apart.
There is evidence for distance decay relationship. It has been analyzed that in North Western Mexican peninsula, there are variations in the floristic turnover. It was significantly associated with topographic variation across the peninsula.
It was concluded that the ecological regions in the peninsula clearly reflect the two main environmental forces that act on it. TheseTforces were the climatic gradient and dramatic EW gradient running from Pacific ocean.
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