UNDERGROUND METEOROLOGY-“What’s the weather underground?”

Badino, G.

doi:10.3986/ac.v39i3.74

Cited by 123 publications

(152 citation statements)

References 3 publications

(5 reference statements)

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“…This high ecological plasticity may explain why the influence of the geological substrate, in constructing the model, is only limited and, in parallel, why topographic heterogeneity is important in explaining the distribution of these spiders. In addition, elevation is likely to act as a surrogate of mean annual temperature, as it directly influences the general thermal conditions found underground (Badino, 2010).…”

Section: Discussion Environmental Drivers Of the Current Distributionmentioning

confidence: 99%

“…On the other hand, it has been suggested that when a species has newly arrived on a landscape, its M can be estimated only based on dispersal characteristics (Barve et al, 2011). It has been shown that during the early stages of their life cycle, Meta spiders are able to disperse Bio02 and Bio07 represent proxies of the daily and seasonal excursion found in the vicinity of the cave entrance (Badino, 2010) and in other Superficial Subterranean Habitats (Pipan et al 2011;Mammola et al, 2016b), where Meta spiders preferentially thrive. Infiltrating rain water is considered to be the primary factor determining the general climatic conditions found underground (Badino, 2010).…”

Section: Species Distribution Modelsmentioning

confidence: 99%

“…This variable also influence the general thermal conditions (Badino, 2010 It represent a proxy of the general availability of subterranean habitats in carbonate substrates (Christman & Culver, 2001, Christman et al, 2016). …”

Section: Species Distribution Modelsmentioning

confidence: 99%

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Modelling the future spread of native and alien congeneric species in subterranean habitats — the case of Meta cave-dwelling spiders in Great Britain

Mammola¹

2017

IJS

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Abstract:The threshold zones between the epigean and hypogean environments are generally characterized by less harsh ecological conditions than deep subterranean habitats, and usually support a greater abundance of organisms. Transitional habitats such as these should be more easily colonised by alien species, especially by those possessing exaptations suitable for subterranean life. In spite of this, few studies have been conducted to unravel the ecological dynamics between native and alien species in the habitats situated at the epigean/hypogean interface. A unique test case is offered by cave-dwelling Meta orb-weaver spiders in Great Britain (Araneae: Tetragnathidae). One species, M. menardi, is a widespread native, whilst M. bourneti is believed to be a recently introduced (1940s) species, that has since become established in the south-eastern part of the country. Species distribution models (SDM) were used to predict current and future habitat suitability for the two species, generating hypotheses regarding their distribution in different global warming scenarios.Model projections indicate that the two species respond to similar environmental variables. Seasonal temperature variations at the surface and elevation are the main factors explaining the distribution of both species, whereas annual precipitation, daily temperature range and limestone distribution contributed little to the model performance. It is predicted that due to climate change, there will be poleward shifts in the ranges of both species. However, the native species M. menardi will primarily be able to exploit suitable areas which will appear northward to their current distribution, and M. bourneti will colonise empty niches left available by its congeneric. The analytical framework employed in this paper may be easily adapted to other subterranean systems and species, stimulating future studies focusing on the distribution of native and alien species in extreme environments.global warming, species distribution models, cave, alien species, MaxEnt, subterranean biology Mammola S., 2017. Modelling the future spread of native and alien congeneric species in subterranean habitats -the case of Meta cave-dwelling spiders in Great Britain. International

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Section: Discussion Environmental Drivers Of the Current Distributionmentioning

confidence: 99%

Section: Species Distribution Modelsmentioning

confidence: 99%

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Modelling the future spread of native and alien congeneric species in subterranean habitats — the case of Meta cave-dwelling spiders in Great Britain

Mammola¹

2017

IJS

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“…In deep karst, air flow can also play a major role. Intersecting fluids undergo complex energy exchanges, increasing temperature along their decent through the homothermic layer at a typical "karstic" rate of 3-4°C/km (Badino, 2010). This temperature increase with depth is much lower than the expected value in the case of heat exchanges between air and rock (around 5-6°C/km).…”

Section: Physics Of the Homothermic Layermentioning

confidence: 75%

Untitled

2018

IJS

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Abstract:The first layers of rock underground are in thermal contact with the external atmosphere mainly through infiltrating meteoric water. This relatively cool zone absorbs rising geothermal energy, which heats the water. If the aquifer consists of gypsum, halite or quartzite, the water at those depths is usually salt-saturated, so the increase in temperature renders the water aggressive again. This in turn leads to rock dissolution and formation of phreatic conduits. This way, the geothermal flow creates caves that do not necessarily reach the surface. This paper analyzes the speed of the excavation, which, in different types of rocks, depends only slightly on temperature and meteoric precipitation. The time scale of this speleogenesis appears to be similar to that of other known cave systems. These processes are probably able to greatly increase the permeability around underground radioactive waste storage in halite.geothermal flux, phreatic speleogenesis, hypogenic caves, evaporite, quartzite, radioactive waste storage

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“…Frogs were more abundant in relatively warm cave sectors. The temperature of cave sectors is the result of complex interactions between external temperature, mean annual temperature, and air circulation of karstic systems (Badino 2004, Badino 2010. In winter, temperature is highest far from the surface, thus these sectors represent ideal shelters during hibernation.…”

Section: Discussionmentioning

confidence: 99%

Is the Italian stream frog (Rana italica Dubois, 1987) an opportunistic exploiter of cave twilight zone?

Lunghi¹,

Bruni²,

Ficetola³

et al. 2018

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Studies on frogs exploiting subterranean environments are extremely scarce, as these Amphibians are usually considered accidental in these environments. However, according to recent studies, some anurans actively select subterranean environments on the basis of specific environmental features, and thus are able to inhabit these environments throughout the year. We present the first study on the abundance and spatial use of the Italian stream frog, Rana italica, in subterranean environments. We monthly collected data from 66 cave sectors during a whole year (2013), recording > 120 detections of R. italica. Frogs were more frequently found close to the cave entrance, without significant differences between age classes or sexes. Adults generally were observed being higher up along cave walls compared to juveniles. Frogs abundance was higher in areas showing specific environmental features, such as warm temperature, low incident light and the presence of potential prey. Rana italica likely occupies subterranean areas characterized by a combination of microclimatic suitability and prey availability. Enrico Lunghi et al. / Subterranean Biology 25: 49-60 (2018) 50

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UNDERGROUND METEOROLOGY-“What’s the weather underground?”

Cited by 123 publications

References 3 publications

Modelling the future spread of native and alien congeneric species in subterranean habitats — the case of Meta cave-dwelling spiders in Great Britain

Modelling the future spread of native and alien congeneric species in subterranean habitats — the case of Meta cave-dwelling spiders in Great Britain

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Is the Italian stream frog (Rana italica Dubois, 1987) an opportunistic exploiter of cave twilight zone?

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