Relationships between vegetation zonation and altitude in a salt‐marsh system in northwest Spain

Sánchez, José María; Izco, Jesús; Medrano, Mónica

doi:10.2307/3236381

Cited by 98 publications

(84 citation statements)

References 27 publications

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“…Results obtained from the analysis of the life forms of the studied associations (Fig. 3) is in a great conformity with the analysis of the salt marsh vegetation life forms found in the North Adriatic, that was carried out on a much larger sample of syntaxa (Poldini et al 1999) Besides, zoning of the associations is quite noticeable, and conditioned by the stands micromorphology, that is, by moisture of the habitat -elevation, and distance from the sea (Sanchez et al 1996;Silvestri et al 2004). In our case, the associations of the Arthrocnemetea are differentiated by a moisture rate of their habitat, and ecologically, expand one after another.…”

Section: Discussionmentioning

confidence: 69%

“…Plants join together into specific syntaxa of the salt marsh vegetation on the basis of their microecological characteristics, including salinity and moisture (Sanchez et al 1996;Rogel et al 2000), and also on the basis of similarity among their life forms. Results obtained from the analysis of the life forms of the studied associations (Fig.…”

Section: Discussionmentioning

confidence: 99%

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The salt marsh vegetation on the East Adriatic coast

Pandža¹,

Franjić

Škvorc

2007

Biologia

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Phytosociological characteristics and a rate of endangerment of the salt marsh vegetation in central and southern parts of the east Adriatic coast were studied. A total of 73 vegetation relevés were made and elaborated according to the standard procedures of the Braun-Blanquet method. Numerical analysis of the relevés and life forms was performed. Two associations of the class Arthrocnemetea-Puccinellio festuciformis-Arthrocnemetum fruticosi and Limonio-Artemisietum coerulescentis were recorded, together with the association Juncetum maritimo-acuti of the class Juncetea maritimi. These associations show no significant differentiation with regard to their floristic composition, but only in terms of particular species cover and frequency rates, as well as by life forms and microecological habitat conditions. These are specific habitats, rarely found in the studied area, and highly threatened by human activity (tourism, agriculture).

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Section: Discussionmentioning

confidence: 69%

Section: Discussionmentioning

confidence: 99%

The salt marsh vegetation on the East Adriatic coast

Pandža¹,

Franjić

Škvorc

2007

Biologia

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“…Soil salinity gradually increases with soil elevation, reaching a maximum just above mean high sea level (MHSL) (Sanchez et al 1996;Adam 1990;Bockelmann et al 2002). Above the MHSL, the salinity tends to decrease due to progressively less frequent flooding (Adam 1990).…”

Section: Discussionmentioning

confidence: 99%

Plant communities structure and composition in three coastal wetlands in southern Apulia (Italy)

2011

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In this paper the results of a study on the composition and the distribution of the plant communities in three coastal areas of southern Apulia are presented. A total of about 180 vegetation relevés were performed following the BraunBlanquet phytosociological method. Vegetation data were analysed using both classification (UPGMA, similarity ratio) and ordination methods (including Non-metric Multidimensional Scaling (NMS) and Detrended Correspondence Analysis (DCA). The relevés are distributed in the following classes: Molinio-Arrhenateretea, Phragmito-Magnocaricetea, Juncetea maritimi, Sarcocornietea fruticosae, Saginetea maritimae, Thero-Salicornietea, Helianthemetea guttati. Detailed information about structure and zoning of the detected plant communities are here provided. Two new associations, belonging to the Alkanno-Maresion nanae alliance (microphytic ephemeral plant communities growing on sandy soils, Helianthemetea guttati class) have been described here, both in the "Torre Guaceto" site. The area of "Le Cesine" showed the highest total number of plant communities, while the "Saline di Punta della Contessa" site revealed the largest number of Sarcocornietea fruticosae plant communities.

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“…Differences in the distribution and cover of these plant species was related, at least in part, to the elevation and topography of the marsh plain (unpublished data, Sánchez et al 1996). The lower limit of Juncus maritimus corresponded approximately with mean high water (*?3 m relative to the most extreme low water spring tide, ELWS), whereas the lower limit of Spartina patens corresponded approximately with mean high water spring tides (*?3.5 m ELWS) (personal observation).…”

Section: Study Sitementioning

confidence: 99%

Effects of non-native Spartina patens on plant and sediment organic matter carbon incorporation into the local invertebrate community

et al. 2010

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The cycling of organic matter through food webs is a fundamental process that may be altered by the invasion of non-indigenous plants. We explored consequences of the invasion of non-indigenous Spartina patens to the composition of soil organic matter (SOM) and to detritivore and herbivore diets in the upper salt marsh within Corrubedo National Park, northwest Spain. We tested for the incorporation of S. patens carbon (C) into SOM and by detritivores and herbivores using stable isotope analysis, focusing primarily on detritivorous enchytraeid oligochaetes and herbivorous insects. Stable isotope results indicated that C derived from S. patens has been incorporated into SOM. Elevated densities of enchytraeids in stands of S. patens, and their incorporation of C derived from this plant, suggested that dense patches of S. patens may facilitate detritivore populations. In contrast, although insect herbivores used S. patens as habitat, there was little isotopic evidence for the widespread incorporation of S. patens-derived C by these consumers. The population and dietary response of enchytraeids to S. patens suggests that S. patens invasion could indirectly influence soil processes and pathways mediated by detritivore activity (e.g., soil respiration rates, nutrient retention and transformation, energy flow). The loss of food resources to insect herbivores alters local food webs. However, insect herbivores may move and feed on native plants elsewhere. As a result, insect populations may be less immediately impacted than soil detritivore populations by S. patens. Our study suggests that the influences of S. patens invasion extend beyond the more obvious changes in native plant abundance, to include differing responses in the cycling of organic matter between detritivore and insect herbivore food web pathways.

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Relationships between vegetation zonation and altitude in a salt‐marsh system in northwest Spain

Cited by 98 publications

References 27 publications

The salt marsh vegetation on the East Adriatic coast

The salt marsh vegetation on the East Adriatic coast

Plant communities structure and composition in three coastal wetlands in southern Apulia (Italy)

Effects of non-native Spartina patens on plant and sediment organic matter carbon incorporation into the local invertebrate community

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