Habitat selection of passerine birds nesting in the Ebro Delta reedbeds (NE Spain): Management implications

Martínez‐Vilalta, Jordi; Bertolero, Albert; Bigas, David; Paquet, Jean‐Yves; Martı́nez-Vilalta, Albert

doi:10.1672/0277-5212(2002)022[0318:hsopbn]2.0.co;2

Cited by 37 publications

(37 citation statements)

References 19 publications

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“…The abundance of the individual species is, therefore, much more influenced by numerous other factors such as the autumn migration dynamic of migratory birds, dynamics and availability of food, weather conditions, situation of the site and other factors which can cause variation in the results. In spite of these methodological problems, our results achieved in the post-breeding period like the knowledge gathered by other authors in breeding period (e.g., Catchpole, 1974;Thomas, 1984;Martínez-Vilalta et al, 2002;Prokešová & Kocian, 2004) confirmed a distinct correlation between the structure of reed beds and the abundance and distribution of some birds species even in the former period. Honza & Literák (1997) also predicted the effect of local conditions, structural features of the habitat and different availability of food on the horizontal distribution of birds in the postbreeding period.…”

Section: Discussionsupporting

confidence: 86%

“…While in the breeding period birds prefer certain species-specific habitats, distribution of the majority of species in permanently flooded reed beds was more or less random in the post-breeding period. The cause may be reduced samples of some species such as the great reed warbler which in the breeding period (Dyrcz, 1980;Leisler, 1981;Hoi et al, 1991;Graveland, 1998;Martínez-Vilalta et al, 2002; tended to associate with taller and thicker reed than in the post-breeding period, although this relation was not significant. In contrast, in the case of the reed warbler, height of stems as an important factor, which influenced its abundance and distribution in breeding Martínez-Vilalta et al, 2002), as well as post-breeding periods, proved significant.…”

Section: Discussionmentioning

confidence: 97%

“…It represents an important habitat for many bird species, especially passerines, the abundance and spatial distribution of which is influenced above all by vegetation structure and food supply (Thomas, 1984;Van Der Hut, 1986;Kouki et al, 1992;Martínez-Vilalta et al, 2002;. The high uniformity of reed beds offers the opportunity for a more detailed study of habitat requirements of individual bird species associated with this assemblage.…”

Section: Introductionmentioning

confidence: 99%

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Reedbed structure and habitat preference of reed passerines during the post-breeding period

Trnka

Prokop

2006

Biologia

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Post-breeding habitats of nine passerine species were studied in the permanently flooded reed beds of ponds near the village Pusté Úľany (SW Slovakia) in 2002. Structural features of reed beds and the abundance of all birds studied were sampled at two sites and eight study plots. The reed bed structure and abundance of four passerines differed considerably between the individual study plots. The variations in vegetation structure were also caused by winter reed burning in the SE part of study area. Stems in burnt reed beds were smaller and thinner than unburnt. Abundance of the reed warbler and to a lesser extent sedge warbler was higher in tall reed beds, while the bearded tit preferred thick reed stems. Position of reed beds along the shore -open water gradient was an important factor in terms of abundance at the study plots in the case of the reed bunting. This species showed a strong preference for the reed bed edge with open water. Horizontal distribution of other species seems to be random, however, the birds with the exception of Savi's warbler preferred the upper stratum of reed bed in vertical distribution. Our field data corroborate with those found in experimental studies concerning with ecomorphological characteristics of birds. Some inconsistencies, however, could also be caused by other factors (e.g. foraging preferences). Comparison of breeding and post-breeding habitat requirements of the studied bird species confirmed a more or less random distribution of the majority of species in the post-breeding period. Some variation was found in the cases of only the reed warbler and bearded tit.

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Section: Discussionsupporting

confidence: 86%

Section: Discussionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

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Reedbed structure and habitat preference of reed passerines during the post-breeding period

Trnka

Prokop

2006

Biologia

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“…Due to seasonal water level fluctuations these habitats host many individuals of these groups during the pre-and post-breeding migration (Brönmark & Hansson, 2005;van der Walk, 2006;Scarton et al, 2013). Especially in small remnant wetlands, in wintering and migration periods waders may occur with high abundance due also to the limited suitable habitats available in the fragmented surrounding areas (crowding effect; Debinski & Holt, 2000), unlike fragmentation-sensitive breeding species that decline in their number (Celada & Bogliani, 1993;Martìnez-Vilalta et al, 2002;Poulin et al, 2002;Abed, 2007;Benassi et al, 2009;Scarton et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

Waders (Aves, Charadriiformes) in a Mediterranean remnant wetland: a year-round pilot study evidences contrasting patterns in diversity metrics

et al. 2015

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-Around a yearly cycle (August 2011 -July 2012), we studied the assemblages of waders (Aves Charadriiformes) occurring in a Mediterranean remnant wetland, obtaining a set of diversity metrics. Mean total abundance shows a complementary pattern when compared to species richness and diversity: the highest values of mean total abundance were observed in December-January, due to high dominance of only one very abundant and gregarious species (the lapwing Vanellus vanellus). On the contrary, in this period, species richness and diversity showed the lowest values. These last metrics were highest in values during the April-September period when a large number of species of conservation concern utilize muddy areas as trophic and stop-over sites, due to the seasonal water stress. The highest values in species turnover index were observed between December-January and February-March when passage migrants (high richness, low abundance) substitute the wintering species (low richness, high abundance). Our data highlight that, in Mediterranean remnant wetlands, strategies should be addressed to increase the muddy suitable areas in the April-September period in order to maximize species richness and diversity. In fact, in these months these habitats host pre-and post-breeding migrant waders of conservation concern.Key words: Abundance, species richness, diversity, species turnover, Vanellus vanellus.Riassunto -Limicoli (Aves, Charadriiformes) in una zona umida mediterranea: uno studio pilota annuale evidenzia andamenti contrastanti nelle metriche di diversità.Durante il ciclo annuale agosto 2011 -luglio 2012 sono state studiate le comunità di caradriformi (Aves Charadriiformes) presenti in una zona umida mediterranea, ottenendo una serie di metriche di diversità. L'abbondanza totale media mostra un andamento complementare se confrontata con la ricchezza di specie e la diversità: i valori più alti dell'abbondanza media totale sono stati rilevati in dicembre-gennaio, a causa della elevata dominanza di una sola specie molto abbondante e gregaria (pavoncella Vanellus vanellus). Al contrario in questo periodo ricchezza e diversità hanno mostrato i valori più bassi. Queste ultime metriche hanno mostrato i valori più elevati nel periodo aprile-settembre, quando un gran numero di specie di interesse conservazionistico utilizzano le ripe fangose come sito trofico e di stop-over, anche a causa dello stress idrico stagionale. I valori più alti dell'indice di turnover sono stati osservati tra dicembre-gennaio e febbraio-marzo, quando le specie di passo migratorio (con alta ricchezza e bassa abbondanza) sostituiscono le specie svernanti (con bassa ricchezza e alta abbondanza). Questi dati sottolineano come, in aree umide residuali del Mediterraneo, le strategie di conservazione devono essere indirizzate verso un incremento delle ripe fangose idonee nel periodo aprile-settembre, al fine di massimizzare la ricchezza di specie e la diversità. Infatti, proprio in questi mesi questi habitat ospitano caradriformi di interesse conservazio...

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“…It is likely that almost all wetlands in Mediterranean Europe are presently managed for human activities, such as agriculture, hunting, reed cutting and also conservation purposes. These activities may have negative impacts, especially on birds (Tscharntke 1992, Graveland 1998, 1999, Martínez-Vilalta et al 2002, Kozulin et al 2004 and, within the EU, about 110 bird species protected by EU Bird Directive (92/43/EEC) depend on wetlands for survival. Despite the fact that many bird species depend on these types of habitats, quantitative information on the habitat requirements of many of these species is lacking and so it is often not possible to propose adequate conservation measures (Tanneberger et al 2009).…”

mentioning

confidence: 99%

Habitat preference of endangered Eastern Iberian Reed BuntingsEmberiza schoeniclus witherbyi

et al. 2011

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Habitat selection of passerine birds nesting in the Ebro Delta reedbeds (NE Spain): Management implications

Cited by 37 publications

References 19 publications

Reedbed structure and habitat preference of reed passerines during the post-breeding period

Reedbed structure and habitat preference of reed passerines during the post-breeding period

Waders (Aves, Charadriiformes) in a Mediterranean remnant wetland: a year-round pilot study evidences contrasting patterns in diversity metrics

Habitat preference of endangered Eastern Iberian Reed BuntingsEmberiza schoeniclus witherbyi

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