Dramatic Change in the Kinneret Phytoplankton Community Structure—Peridinium Out, Cyanobacteria in (POCI): Perennial or Disposable
A comprehensive compilation of long-term data records about the dynamics of nutrient migration and availability in the Kinneret epilimnion was statistically evaluated. A replacement of <i>Peridinium</i> spp. domination by cyanobacteria in Lake Kinneret (Israel) was documented. Nitrogen o...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-08-01
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| Series: | Water |
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| Online Access: | https://www.mdpi.com/2073-4441/14/16/2583 |
| _version_ | 1797441207141400576 |
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| author | Moshe Gophen |
| author_facet | Moshe Gophen |
| author_sort | Moshe Gophen |
| collection | DOAJ |
| description | A comprehensive compilation of long-term data records about the dynamics of nutrient migration and availability in the Kinneret epilimnion was statistically evaluated. A replacement of <i>Peridinium</i> spp. domination by cyanobacteria in Lake Kinneret (Israel) was documented. Nitrogen outsourcing is a significant factor within the Kinneret ecosystem structure. Part of the Kinneret watershed, the Hula Valley, which was covered by a shallow lake and swampy wetlands was drained. The result was the conversion of the nitrogen supply, as ammonium and organic forms, into nitrate. Nevertheless, nutrients supplied from aquaculture (fish ponds) and raw sewage partly compensated for the ammonium deficiency. After sewage removal and fish pond restrictions (the early 1990s), the majority of nitrogen migration became nitrate, dependent on climate conditions (rainfall, river discharges). The preference for ammonium by the bloom-forming <i>Peridinium</i> spp. caused a reduction in the efficiency of nitrogen utilization and cyanobacteria replaced phytoplankton for domination. |
| first_indexed | 2024-03-09T12:20:40Z |
| format | Article |
| id | doaj.art-3f9ed92df6184f408e18617881c10afd |
| institution | Directory Open Access Journal |
| issn | 2073-4441 |
| language | English |
| last_indexed | 2024-03-09T12:20:40Z |
| publishDate | 2022-08-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Water |
| spelling | doaj.art-3f9ed92df6184f408e18617881c10afd2023-11-30T22:41:23ZengMDPI AGWater2073-44412022-08-011416258310.3390/w14162583Dramatic Change in the Kinneret Phytoplankton Community Structure—Peridinium Out, Cyanobacteria in (POCI): Perennial or DisposableMoshe Gophen0Department of Limnology and Wetlands Ecology, Migal Scientific Research Institute, P.O. Box 831, Kiryat Shmone 11016, IsraelA comprehensive compilation of long-term data records about the dynamics of nutrient migration and availability in the Kinneret epilimnion was statistically evaluated. A replacement of <i>Peridinium</i> spp. domination by cyanobacteria in Lake Kinneret (Israel) was documented. Nitrogen outsourcing is a significant factor within the Kinneret ecosystem structure. Part of the Kinneret watershed, the Hula Valley, which was covered by a shallow lake and swampy wetlands was drained. The result was the conversion of the nitrogen supply, as ammonium and organic forms, into nitrate. Nevertheless, nutrients supplied from aquaculture (fish ponds) and raw sewage partly compensated for the ammonium deficiency. After sewage removal and fish pond restrictions (the early 1990s), the majority of nitrogen migration became nitrate, dependent on climate conditions (rainfall, river discharges). The preference for ammonium by the bloom-forming <i>Peridinium</i> spp. caused a reduction in the efficiency of nitrogen utilization and cyanobacteria replaced phytoplankton for domination.https://www.mdpi.com/2073-4441/14/16/2583KinneretHula Valley<i>Peridinium</i>cyanobacteriaammoniumnitrate |
| spellingShingle | Moshe Gophen Dramatic Change in the Kinneret Phytoplankton Community Structure—Peridinium Out, Cyanobacteria in (POCI): Perennial or Disposable Water Kinneret Hula Valley <i>Peridinium</i> cyanobacteria ammonium nitrate |
| title | Dramatic Change in the Kinneret Phytoplankton Community Structure—Peridinium Out, Cyanobacteria in (POCI): Perennial or Disposable |
| title_full | Dramatic Change in the Kinneret Phytoplankton Community Structure—Peridinium Out, Cyanobacteria in (POCI): Perennial or Disposable |
| title_fullStr | Dramatic Change in the Kinneret Phytoplankton Community Structure—Peridinium Out, Cyanobacteria in (POCI): Perennial or Disposable |
| title_full_unstemmed | Dramatic Change in the Kinneret Phytoplankton Community Structure—Peridinium Out, Cyanobacteria in (POCI): Perennial or Disposable |
| title_short | Dramatic Change in the Kinneret Phytoplankton Community Structure—Peridinium Out, Cyanobacteria in (POCI): Perennial or Disposable |
| title_sort | dramatic change in the kinneret phytoplankton community structure peridinium out cyanobacteria in poci perennial or disposable |
| topic | Kinneret Hula Valley <i>Peridinium</i> cyanobacteria ammonium nitrate |
| url | https://www.mdpi.com/2073-4441/14/16/2583 |
| work_keys_str_mv | AT moshegophen dramaticchangeinthekinneretphytoplanktoncommunitystructureperidiniumoutcyanobacteriainpociperennialordisposable |