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Macrophytes are an integral part of lake communities; therefore, knowing the causes that influence macrophyte community structure is critical for conservation and management of lakes is vital. Depending on the lake and which macrophytes were present, species richness was negatively related to depth and distance from shore, and was either positively or negatively related to silt, which was either positively or negatively related to silt. During early season sampling results, Curlyleaf pondweed was discovered at 44% of all sampling points in one lake, and its presence was tied to water depth, percent silt, and percent sediment organic matter. The inhibitory relationship between water depth and macrophyte growth is shown by this report. A single landscape scale model would not be able to capture macrophyte production and abundance as a result of lake-by-lake methods; and, overall, planning and monitoring strategies would need to be developed on a lake-by-lake basis.
Source link: https://doi.org/10.1007/s10452-022-09969-3
In this case, we focus our attention on the microbiota associated with leaf beetles living in a freshwater swamp in Northern Italy for finding out which factors influence it in this particular habitat. To identify seven leaf beetles species living in different regions of the wetland, a DNA metabarcoding scheme targeting the 16S rRNA has been used. Males were also more prone to pick bacteria from the surrounding environment, while females were found to have dominated by symbiotic bacteria, within the studied species.
Source link: https://doi.org/10.1007/s10750-022-05082-6
Agrosilvopastoral plants are economical production models for expansion in Brazil, and selecting the right tree species is a fundamental component of ASP systems and a function of edaphoclimatic conditions. So, this research sought to investigate the biotic and abiotic factors that influence the initial growth and adaptation of two Eucalyptus genotypes intercropped with Sorghum bicolor and Urochloa brizantha in ASP systems in the Brazilian Cerrado. According to separate, Trigona spinipes and termites were the key biotic factors that caused injury and scarcity in the E. cloeziana and E. urograndis genotypes. At 450, 630, 1020, and 1320 days after transplanting, Eucalyptus urograndis displayed a greater total height and diameter at breast height at breast height than E. cloeziana. In the present study, E. urograndis was better adapted to the edaphoclimatic conditions in the present study, and it has been recommended in ASP schemes in areas of high temperature and irregular rainfall distribution, even with severe termite outbreaks following sorghum harvest.
Source link: https://doi.org/10.1007/s10457-022-00774-3
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