Bibliographic Details
| Title: |
Dynamics in the effects of the species-area relationship versus local environmental factors in bomb crater ponds. |
| Authors: |
Krasznai-K, Eszter Á.1,2 krasznai.eszter@okologia.mta.hu, Boda, Pál2,3, Borics, Gábor2,3, Lukács, Balázs A.2, Várbíró, Gábor2,3 |
| Source: |
Hydrobiologia. Nov2018, Vol. 823 Issue 1, p27-38. 12p. 1 Color Photograph, 1 Diagram, 2 Charts, 4 Graphs, 1 Map. |
| Subject Terms: |
*PHOSPHORUS & the environment, *INVERTEBRATE ecology, *POND ecology, *INVERTEBRATE populations, *HABITAT conservation |
| Abstract: |
The species-area relationship (SAR) is a well-investigated subject raising questions nonetheless. We hypothesized that SAR can be modified by naturally extreme conditions (high pH, conductivity, and total phosphorus) in a small spatial scale. A bombing range was chosen as a sampling location with a densely scattered cluster of bomb crater ponds, which vary in size and in extremity to study the hypothesis. Macroinvertebrate communities from 25 bomb crater ponds were sampled, along with the macrophyte community, while pH, conductivity, total phosphorus, and area were also registered. A decision tree was used to separate extreme from normal ponds based on their chemical characteristics. SAR was found to be the dominant driving force, increasing species richness in the extreme ponds. However, in the normal ponds, the small island effect was observed. The macroinvertebrate communities and macrophyte community types are congruent in normal ponds. Our findings imply that rules in ecology cannot be handled rigidly and there are dynamics existing between the factors that influence the composition of a macroinvertebrate community that cannot be ignored at habitat restorations. [ABSTRACT FROM AUTHOR] |
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