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Salinization-Desalinization (SDS) Processes—A Linkage between Hula Valley and lake kinneret Ecosystem Management

Open Journal of Ecology 2024年第9期14卷 731-746页

作者： Moshe Gophen Migal-Scientific Research Institute in Galilee Kiryat Shmone Israel

The salinization process resulted in agricultural damage in the Hula Valley and water quality deterioration in lake kinneret. Therefore, salinization-desalinization (SDS) processes have been emphasized in the last two decades. Global and regional extreme climatological events and water scarcity strengthen the link between Hula Valley and lake kinneret management design. A bond between optimizing Hula agricultural maintenance and kinneret water quality protection is conclusively suggested. Saline contribution originated from the southern Hula Valley region to the underground and surface water is higher than from the northern organic soil. The impact of eastern water Intrusion from the Golan Heights as surface waters, river discharge and underground seepage into the Hula Valley represent north-south gradient enhancement. Salinized surface water contribution from the Hula Valley to lake kinneret is unwanted because presently kinneret desalinization management policy is critically required. The present salinization of surface and underground water in the Hula Valley indicates the upper limit suitable for agricultural crop optimization and the decline of salinity is crucial. Enhancement of the portion of Jordan water within the total balance in the valley is beneficial for Hula agricultural crops but serves as a disadvantage to kinneret desalinization implementation. Therefore, the enhancement of lake water exchange is recommended.

关键词： Hula Valley lake kinneret Salinization Desalinization

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The Impact of EL-NINO/Southern Oscillation (ENSO) on Fishery and Water Quality in lake kinneret (Israel)

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Open Journal of Modern Hydrology 2016年第2期6卷 43-50页

作者： Moshe Gophen Scientific Research Institute Kiryat Shmone Israel

A correlation between fishery and extreme winter conditions in lake kinneret was indicated: po pulations of Bleak fishes were enhanced and those of Sarotherodon galilaeus (SG) declined. The aim of the present study is to confirm the relation of those correlations to EL-NINO/Southern Oscillation and its impact on kinneret fishery. The study is based on long-term data records of the kinneret Epilimnetic temperatures, water level increase, precipitation and air temperatures in the drainage basin, together with a record of EL NINO/Southern Oscillation (ENSO) events. Results suggest a confirmation of the impact of ENSO events on lake population size of Bleaks and SG. It is likely that the influence of ENSO on the two key fish species in the lake is contradictory: enhancement of reproduction of the winter spawner Bleaks and reduction of population recruitment of the early summer spawner, Sarotherodon galilaeus. It is likely that winter extreme in kinneret region is a consequence of ENSO event and therefore negatively affecting kinneret water quality.

关键词： Bleak Sarotherodon galilaeus Fishery ENSO lake kinneret

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