Relationships between habitat stability, ionic composition, and the distribution of aquatic invertebrates in the desert regions of Israel

Herbst, G. N.; Bromley, H. J.

doi:10.4319/lo.1984.29.3.0495

Cited by 9 publications

(5 citation statements)

References 17 publications

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“…Many other variables play also a role in the community structure, such as influence of macrophytes (Kevrekidis, 2004;Albertoni et al, 2007), predation intensity (Marques et al, 1999), habitat stability (Herbst and Bromley, 1984), water renewal regimes (Gamito, 2006) and temporal and spatial dynamics (Carvalho et al, 2011). A biogeographycal multiscale approach could also be taken into account (Ricklefs and Schulter, 1993).…”

Section: Discussionmentioning

confidence: 99%

Aquatic invertebrate's distribution in a freshwater coastal lagoon of southern Brazil in relation to water and sediment characteristics

2011

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Abstract:Aim: The objective of this study was to evaluate the influence of water and sediment characteristics on the abundance, richness and diversity of the benthic invertebrate community in Peri lagoon, a freshwater coastal lagoon located in central coast of Santa Catarina State; Methods: Samplings were performed in April, May and June 2009, in five different sites of Peri lagoon. The samples were taken with an EckmanBirge drag, totalizing 60 for the invertebrate community, and 45 for sediment. Water physicochemical variables were also measured. Environmental influences in benthic community have been measured using a Canonical Correspondence Analysis (CCA). Linear regressions were also plotted for main correlations; Results: A total of 5,535 specimens were collected, identified into 18 taxa. Tanaidacea was the most abundant representing 54% of relative abundance, followed by Diptera (23%), and Ostracoda (17%). The richest family was Chironomidae with 6 taxa. CCA results indicated positive correlation between Chaoborus and Stenocypris with local depth, and negative correlation between Odonata, Gastropoda, Cytheridella and Coleoptera with the finest grains of sediment, as well as between Tanaidacea, Lopescladius, Annelida and Nematoda with both organic matter (OM) content in sediment and local depth. Linear regression analysis demonstrated inverse relation of Tanaidacea in response to OM (y = 0.6 -0.62.OM) and sand (y = 0.6 -0.6.sand), and of Lopescladius in response to OM (y = 0.37 -0.41. OM) and sand (y = 0.37 -0.46.sand). The fact that Peri lagoon has no marine influence and has Tanaidacea as the most abundant taxa, a group not expected in freshwaters, gives to this lagoon a particular relevance among coastal lagoons. The study concluded that sediment characteristics and local depth are more significant than water variables in determining the benthic community structure in Peri lagoon, which varied in accordance with different local conditions.

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Section: Discussionmentioning

confidence: 99%

Aquatic invertebrate's distribution in a freshwater coastal lagoon of southern Brazil in relation to water and sediment characteristics

2011

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“…Both the general last decade. More pertinent among them are the F the fauna and the small differences bestudies on the running waters of Israel by Ortal & nations are convincingly emphasized in Por (1978); Bromley (1982); Herbst & Reice (1982); ning comparative analysis of the quan- Furth (1983); Herbst & Dimentman (1983); Herbst ,les of the colonization cages (Herbst et & Bromley (1984); Herbst & Mienis (1985). Zoogeographical discussions on the inland water fauna stage, i.e.…”

Section: General Conclusionmentioning

confidence: 99%

River Dan, headwater of the Jordan, an aquatic oasis of the Middle East

et al. 1986

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River Dan is the largest of the headwater rivers of the Jordan. The karstic exsurgence of the Dan has a seasonally stable output, a long stretch of strongly turbulent flow, stable temperature around 15.5 °C and high oxygen saturation. A total of 156 taxa, mainly at the species level, were identified from the river. These species are almost exclusively of Palearctic origin. About half of the species are limited to the northernmost part of Israel. The faunal complex described, does not present any longitudinal zonation for the 5 kilometers of turbulent flow; neither does it present seasonal changes in species composition. River Dan is considered to be a post-Pleistocenic river which has an important function of refugium for a wide area of aquatic waterbodies in the area, including the presently drained Lake Hula. It is suggested that in the Illies scheme of stream classification, River Dan might represent a type of stream belonging to a 'pseudorhithral' along with other stenothermic warm water torrents of the tropical-subtropical climatic belt.

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“…On the other hand, high tolerance to salinity stress (hypoosmotic regulation) and specific ionic regulation abilities are expected in species occurring in much more saline habitats (Herbst, 2001). In this sense, solute composition, along with salinity, thermal regime and habitat stability, may provide a template that shapes the distribution of many organisms inhabiting saline systems (Herbst & Bromley, 1984). However, factors other than the direct effects of salinity tolerance are rarely considered by researchers studying inland saline biotas when attempting to explain species distributions along salinity gradients (Ward, 1992).…”

Section: Introductionmentioning

confidence: 99%

Concordance between realised and fundamental niches in three IberianSigaraspecies (Hemiptera: Corixidae) along a gradient of salinity and anionic composition

2012

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Summary 1. We test the hypothesis that the physiological tolerance of corixids for saline conditions determines, at least partially, their occurrence along a salinity gradient that encompasses a variety of anionic compositions. 2. Three species of Sigara, S. nigrolineata (fresh waters), S. scripta (hyposaline waters) and S. selecta (mesosaline and hypersaline waters) were selected, and it was predicted that species occurring in the most saline waters would be ion regulation specialists that are more tolerant of higher salinity, while species living in fresh or hyposaline waters would be generalist regulators in relation to different anions, and therefore less tolerant of higher salinity. 3. Niche breadth was quantified using field data for both water conductivity and anionic composition (realised niche). In addition, physiological tolerance in relation to conductivity and anionic composition (fundamental niche) was estimated in laboratory tests using eggs, nymphs and adults of all species. 4. Sigara nigrolineata adults showed the most limited conductivity tolerance and were generalists in relation to different anionic water compositions. Sigara scripta demonstrated tolerance of hyposaline and mesosaline waters and higher survival rates in sulphated waters. Sigara selecta was the only species occupying hypersaline waters that showed a preference for anion chloride. 5. Sigara scripta was the only species coexisting with the other two species. This can be explained by the overlap found in conductivity and anionic composition niche dimensions at the lower (S. nigrolineata) and upper (S. selecta) tolerance limits. 6. Young life‐stages of the species showed similar responses but less tolerance of higher salinity than adults; this was the case for eggs of S. nigrolineata and nymphs of S. scripta and S. selecta. 7. Physiological limitations were not found in relation to fresh and less saline waters in S. selecta, so other factors, probably involving biotic interactions, may play an important role in this species.

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Relationships between habitat stability, ionic composition, and the distribution of aquatic invertebrates in the desert regions of Israel

Cited by 9 publications

References 17 publications

Aquatic invertebrate's distribution in a freshwater coastal lagoon of southern Brazil in relation to water and sediment characteristics

Aquatic invertebrate's distribution in a freshwater coastal lagoon of southern Brazil in relation to water and sediment characteristics

River Dan, headwater of the Jordan, an aquatic oasis of the Middle East

Concordance between realised and fundamental niches in three IberianSigaraspecies (Hemiptera: Corixidae) along a gradient of salinity and anionic composition

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