By Mehtab Singh, R.B. Singh, M.I. Hassan
The over-exploitation of vital earth assets resembling land and water has resulted in a few environment-related difficulties internationally. even as, land-use switch as a result of numerous human actions has resulted in extinction of many plant and animal habitats and species. during this context, the relevance of biodiversity for human survival is changing into a huge foreign political factor as medical facts builds at the worldwide well-being implications of biodiversity loss. those concerns are heavily associated with the problem of weather swap, as the various well-being dangers as a result of weather swap are linked to fast degradation of biodiversity. This current paintings makes a speciality of holistic average resource-based spatio-temporal making plans, improvement, and administration and considers them as necessary to store the degraded atmosphere for sustainable source administration. Contributions are compiled in volumes: 1. weather swap and Biodiversity and a couple of. panorama Ecology and Water administration. Geoinformatics in addition to its instruments akin to distant sensing and geographical details platforms (GIS) were utilized in assessing the result of numerous environmental difficulties either actual and social. the quantity may be valuable for geographers, geoscientists, hydrologists, panorama ecologists, environmentalists, engineers, planners and coverage makers.
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Additional info for Climate Change and Biodiversity: Proceedings of IGU Rohtak Conference, Vol. 1
The pH maps (Fig. 5. All plants do not respond to salinity in a similar manner; some crops can produce acceptable yields at much greater soil salinity than others. This is because some are better able to make the needed osmotic adjustments enabling them to extract more water from a saline soil. The ability of the crop to adjust to salinity is extremely useful. In areas where a build-up of soil salinity cannot be controlled at an acceptable concentration for the crop being grown, an alternative crop can be selected that is both more tolerant of the expected soil salinity and can produce economical yields.
In the first few years after Aila farmers saw that during sowing period when water was most needed, the weather was dry hindering germination. Intense rains followed in the pre-maturing season when most seeds were washed out and water stagnation in the maturing season caused crops to rot hence harvest was poor. The salinity data in Fig. 7 shows maximum rise in Gosaba village followed by Rangabelia, Luxbagan, Chotto Mollahkhali villages as the duration of water stagnation was more in these areas.
It is understood from the tonal variation in multi-dated satellite images of the area affected by Aila, a severe cyclonic storm that occurred on 25th May, 2009, that the ingress of saline water on agricultural land and subsequent infiltration and evaporation of water has left large areas fallow. Food crops have to be produced on the shrinking land resources as few suitable lands are available for cultivation. The perceived rising temperatures and uncertainties in rainfall may have serious direct and indirect consequences on crop production and hence food security of this region.