Allocosa brasiliensis(Araneae, Lycosidae) as a Bioindicator of Coastal Sand Dunes in Uruguay

Ghione, Soledad; Simó, Miguel; Aisenberg, Anita; Costa, Fernando Guilherme Perazzo

doi:10.13156/100.016.0304

Cited by 15 publications

(13 citation statements)

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“…Our results are agree with [33] in the sense that P. racemosum is the more frequent plant species in the A. brasiliensis habitat. As these authors indicated, other two native species were also reported in the present study as S. crassifolius and H. bonariensis ( Table 5).…”

Section: Discussionsupporting

confidence: 91%

“…As these authors indicated, other two native species were also reported in the present study as S. crassifolius and H. bonariensis ( Table 5). All these are considered dune-forming species based in the structure of rhizomes [33] [54]. The vegetation cover here studied, indicated that the most suitable sandy habitat for A. brasiliensis should present a vegetation cover of 25% -50% of the surface ( Table 5).…”

Section: Discussionmentioning

confidence: 89%

“…The Northern area of the beaches shows exotic vegetation such as Acacia longifolia and Pinus sp. [16] [33]. In this site, two neighboring beaches were selected for the study: the Mulata beach (M1) (34˚53'S, 56˚4'W) with 212 m long and Verde beach (M2) (34˚53'S, 56˚4'W) with 455 m long (Figure 1(A) and Figure 1(B)).…”

Section: Study Areamentioning

confidence: 99%

“…Copulation take place inside male burrows [30] [31] and males show reversed sexual cannibalism (they prey on rejected females) [18] [32]. A. brasiliensis shows morphological and behavioral features strongly associated to inhabiting the dune lines of natural sandy coasts and it has been catalogued as a good bio-indicator for coastal environments in Southern Uruguay [33]. The close relationship between the conservation of the dune line and the presence of Allocosa brasiliensis are strongly linked.…”

Section: Introductionmentioning

confidence: 99%

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Habitat Preference and Effects of Coastal Fragmentation in the Sand-Dwelling Spider Allocosa brasiliensis (Lycosidae, Allocosinae)

Jorge¹,

Laborda²,

Días³

et al. 2015

OJAS

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Allocosa brasiliensis is a sand-dwelling wolf spider considered a good bioindicator to evaluate the quality of coastal dune ecosystems from Uruguay. Habitat fragmentation and human activities have impacted and reduced the Southern Uruguayan coast during the last decades. The aim of the present study was to evaluate the density, surface activity and habitat preference of A. brasiliensis in beaches with different human impact. For that purpose, we sampled during the night with head lamps and applied the capture-mark-recapture method. Females were more abundant than males and were the most recaptured sex. The most fragmented beaches showed lower number of burrows and individuals, especially in immatures stages. We found that the most suitable sandy habitat for A. brasiliensis should present a vegetation cover optimum of 25% -50% of the surface. This study could provide tools for the implementation of future management conservation plans of the Southern Uruguayan coastline.

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Section: Discussionsupporting

confidence: 91%

Section: Discussionmentioning

confidence: 89%

Section: Study Areamentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Habitat Preference and Effects of Coastal Fragmentation in the Sand-Dwelling Spider Allocosa brasiliensis (Lycosidae, Allocosinae)

Jorge¹,

Laborda²,

Días³

et al. 2015

OJAS

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“…En algunos estudios se encontró que la composición de arañas en especies o grupos funcionales difiere en función del grado de intervención antrópica o de la estructura vegetal dominante (Chen y Tso, 2004;Collins, et al, 1996;Schmidt, et al, 2005). Aunque su rol como indicadores ha sido probado en áreas forestales (Simó, et al, 2011) o ambientes costeros (Ghione, et al, 2013), el uso de este grupo como bioindicador aún es limitado en Uruguay.…”

Section: Introductionunclassified

Arañas y carábidos como potenciales bioindicadores en ambientes con distinto grado de intervención antrópica en el este uruguayo: un estudio preliminar.

Castiglioni¹

2017

INNOTEC

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Arañas y carábidos como potenciales bioindicadores en ambientes con distinto grado de intervención antrópica en el este uruguayo: un estudio preliminarResumen Algunos grupos de artrópodos son considerados buenos indicadores de calidad ambiental. Para ello deben cumplir con algunas condiciones, como poseer características biológicas y morfológicas que faciliten su hallazgo e identificación. Las trampas de caída (pitfall) son ampliamente utilizadas para recolectar artrópodos predadores potencialmente bioindicadores de las características del ambiente que ocupan. Se realizaron recolecciones quincenales, durante nueve meses, en tres sistemas productivos con diferente grado de intervención antrópica en la cuenca de la Laguna Negra, Rocha: área con baja intensidad de pastoreo de vacunos; área con bajo pastoreo de ganado vacuno y ovino, y área con altas cargas de ganado vacuno y agricultura inverno-estival. En cada área se instalaron dos series de 10 trampas pitfall separadas a una distancia mínima de 100 m y a una distancia de 10 m entre trampas. Dos morfoespecies de arañas, Mesabolivar sp (Pholcidae) y Steatoda sp (Theridiidae), fueron determinadas como indicadoras de los ambientes con menor y mayor intensidad de disturbio, respectivamente. Otras cuatro morfoespecies, pertenecientes a las familias Nemesiidae, Oxyopidae, Lycosidae y Palpimanidae, fueron caracterizadas como detectoras de los diferentes ambientes. Cuatro morfoespecies de coleópteros de la familia Carabidae (Calosoma retusum, Galerita collaris, Brachinus sp y Notiobia sp) resultaron indicadoras del ambiente de mayor intensidad productiva, con agricultura. AbstractSome arthropod groups are considered to be good bioindicators of environmental quality. For that, they must fill some conditions, such as biological and morphological characteristics that lead to their easy find and identification. The pit-fall traps are widely used as an efficient method to collect predator arthropods that may have a good potential as bioindicators of the characteristics of their environment. During a nine months period, fortnightly collects were made in three production systems with different intensity of anthropic intervention, in the Laguna Negra basin, Rocha, Uruguay: natural grassland with low intensity of bovine cattle grazing; bovine and sheep grazed area, and an area under high bovine grazing intensity with winter-summer agriculture. In each of the three areas two series of 10 pitfall traps were installed with a distance 100 m minimum between series and 10 m between traps. Two spider morphospecies, Mesabolivar sp (Pholcidae) y Steatoda sp (Theridiidae) appeared to be good indicators for the less and most intensified environments, respectively. Other four morphospecies of the families Nemesiidae, Oxyopidae, Lycosidae y Palpimanidae were characterized as detectors to different environments. Four morphospecies of the coleopteran family Carabidae (Calosoma retusum, Galerita collaris, Brachinus sp and Notiobia sp) were defined as indicators of the more intensified system, wit...

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Dispersal Strategies, Genetic Diversity, and Distribution of Two Wolf Spiders (Araneae, Lycosidae): Potential Bio-Indicators of Ecosystem Health of Coastal Dune Habitats of South America

Bidegaray‐Batista

Arnedo

Carlozzi

et al. 2017

Behaviour and Ecology of Spiders

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Allocosa brasiliensis(Araneae, Lycosidae) as a Bioindicator of Coastal Sand Dunes in Uruguay

Cited by 15 publications

References 13 publications

Habitat Preference and Effects of Coastal Fragmentation in the Sand-Dwelling Spider <i>Allocosa brasiliensis</i> (Lycosidae, Allocosinae)

Habitat Preference and Effects of Coastal Fragmentation in the Sand-Dwelling Spider <i>Allocosa brasiliensis</i> (Lycosidae, Allocosinae)

Arañas y carábidos como potenciales bioindicadores en ambientes con distinto grado de intervención antrópica en el este uruguayo: un estudio preliminar.

Dispersal Strategies, Genetic Diversity, and Distribution of Two Wolf Spiders (Araneae, Lycosidae): Potential Bio-Indicators of Ecosystem Health of Coastal Dune Habitats of South America

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Allocosa brasiliensis(Araneae, Lycosidae) as a Bioindicator of Coastal Sand Dunes in Uruguay

Cited by 15 publications

References 13 publications

Habitat Preference and Effects of Coastal Fragmentation in the Sand-Dwelling Spider &lt;i&gt;Allocosa brasiliensis&lt;/i&gt; (Lycosidae, Allocosinae)

Habitat Preference and Effects of Coastal Fragmentation in the Sand-Dwelling Spider &lt;i&gt;Allocosa brasiliensis&lt;/i&gt; (Lycosidae, Allocosinae)

Arañas y carábidos como potenciales bioindicadores en ambientes con distinto grado de intervención antrópica en el este uruguayo: un estudio preliminar.

Dispersal Strategies, Genetic Diversity, and Distribution of Two Wolf Spiders (Araneae, Lycosidae): Potential Bio-Indicators of Ecosystem Health of Coastal Dune Habitats of South America

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Habitat Preference and Effects of Coastal Fragmentation in the Sand-Dwelling Spider <i>Allocosa brasiliensis</i> (Lycosidae, Allocosinae)

Habitat Preference and Effects of Coastal Fragmentation in the Sand-Dwelling Spider <i>Allocosa brasiliensis</i> (Lycosidae, Allocosinae)