Not a marginal loss: genetic diversity of the endangered freshwater snail Melanopsis etrusca (Brot, 1862) from thermal springs in Tuscany, Italy

Neiber, Marco T.; Cianfanelli, Simone; Bartolini, Fabrizio; Glaubrecht, Matthias

doi:10.1007/s10592-019-01241-w

Cited by 6 publications

(5 citation statements)

References 45 publications

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“…Melanopsis etrusca populations appear to be currently isolated by geographical barriers. Recent genetic evidence is consistent with a pattern of isolation by distance and shows a differentiation into a western, a central (including Bruna) and an eastern (including Roselle) group of populations ( Neiber et al ., 2020 ). In this scenario, an assessment of possible detrimental genetic processes (e.g.…”

Section: Discussionmentioning

confidence: 56%

“…However, populations from temperate streams with seasonal variation of the thermal regime may lack of physiological and behavioural traits enabling the colonization of hot streams. Therefore, beside genetic consideration concerning the most appropriate population suited for a potential introduction ( Neiber et al ., 2020 ), it would be necessary to select the most appropriate stock according to rigorous physiological and behavioural criteria.…”

Section: Discussionmentioning

confidence: 99%

“…1 ), inhabiting the upper course of streams characterized by thermo-mineral waters ( Bencini et al ., 1977 ; Celati et al ., 1991 ). One of these populations, Poggetti Vecchi, is severely threatened by anthropogenic stream desiccation, running the risk of local extinction, as has occurred to six other populations in recent years ( Neiber et al ., 2020 ). The thermal regimes of the streams inhabited by M. etrusca are highly heterogeneous ( Bartolini et al ., 2017 ).…”

Section: Methodsmentioning

confidence: 99%

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Microclimate drives intraspecific thermal specialization: conservation perspectives in freshwater habitats

Bartolini¹,

Giomi²

2021

Conservation Physiology

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Endemic and relict species are often confined to ecological refugia or over fragmented distributions, representing priority conservation subjects. Within these sites, the individual population may realize distinct niches to a varying degree of specialization. An emblematic example is provided by freshwater species segregated in thermal-mineral springs, where individuals may face highly diverse microclimates in limited geographic areas. Downscaling the characterization of physiological traits to microclimatic niches becomes pivotal to adopt effective conservation measures in these heterogeneous habitats. Melanopsis etrusca (Brot, 1862) is an endangered relict snail endemic to a small number of thermal-mineral streams in central Italy. Here we describe the thermal tolerance of two populations of M. etrusca inhabiting streams with distinctly different thermal regimes, investigating the extent of physiological and behavioural specialization to such diverse microclimatic niches. The comparison of oxygen consumption rates of a population dwelling in temperate streams, characterized by seasonal temperature fluctuations (12–27°C), with a population experiencing constantly hot water (35–38°C) revealed the absence of any seasonal or geographic effect on metabolic compensation. Conversely, mobility performances were maximized in the population inhabiting the hot stream. Interestingly, here, the snails exhibited emersion behaviour outside the water, triggered by temperatures above 37°C. In the field, individuals of this population are observed inactive on stream banks, conceivably to minimize the metabolic cost that otherwise would be induced by remaining in the hot water. Only a few individuals from the temperate stream exhibited the same behaviour when exposed to elevated temperatures, suggesting the exaptation of a pre-existing trait during the evolutionary process of adaptation to hot waters. The present results provide elements for the best practice in future programmes aimed at reintroducing stocks of threatened species across heterogeneous habitats. Our study further underlines the relevance of downscaling data collection for endangered species conservation in order to recognize microclimatic specializations.

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Section: Discussionmentioning

confidence: 56%

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Microclimate drives intraspecific thermal specialization: conservation perspectives in freshwater habitats

Bartolini¹,

Giomi²

2021

Conservation Physiology

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“…The phylogenetic relationships and genetic distances among A. platensis populations and other distinct related species such as A. georginae and A. ludwigi in southern Brazil were also investigated through AFLP (Zimmermann et al 2019 ). Population structure and differentiation among Melanopsis etrusca were clearly distinct between the eastern, western, and central regions populations in Italy (Neiber et al 2020 ) (Table 3 , Fig. 2B ).…”

Section: Techniques For Identification and Genetic Conservation Of Sp...mentioning

confidence: 88%

“…A Restriction fragment length polymorphism; the genomic DNA extracted from different organisms is PCR amplified and subjected to restriction digestion using specific restriction enzymes, then DNA fragments are separated by electrophoresis and hybridized with radiolabeled probes (Özdil et al 2018 ; Chaudhary and Maurya 2019 ; Panigrahi et al 2019 ; Haider and Nabulsi 2020 ). B Amplified fragment length polymorphism; the restriction fragments of genomic DNA was ligated with compatible adapters and PCR amplified using selective primers against adapters, and the amplified fragments were separated by electrophoresis for DNA fingerprint analysis (Blears et al 1998 ; Malik et al 2018 ; Wu et al 2019b ; Zimmermann et al 2019 ; Neiber et al 2020 ). C Random amplified polymorphic DNA; random PCR fragments were amplified from the genome of different species using primers with random sequences and separated by gel electrophoresis to determine the difference between species based on RAPD markers (Panigrahi et al 2019 ; Saikia et al 2019 ).…”

Section: Techniques For Identification and Genetic Conservation Of Sp...mentioning

confidence: 99%

An overview of remote monitoring methods in biodiversity conservation

Kerry

Montalbo

Das

et al. 2022

Environ Sci Pollut Res

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Conservation of biodiversity is critical for the coexistence of humans and the sustenance of other living organisms within the ecosystem. Identification and prioritization of specific regions to be conserved are impossible without proper information about the sites. Advanced monitoring agencies like the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES) had accredited that the sum total of species that are now threatened with extinction is higher than ever before in the past and are progressing toward extinct at an alarming rate. Besides this, the conceptualized global responses to these crises are still inadequate and entail drastic changes. Therefore, more sophisticated monitoring and conservation techniques are required which can simultaneously cover a larger surface area within a stipulated time frame and gather a large pool of data. Hence, this study is an overview of remote monitoring methods in biodiversity conservation via a survey of evidence-based reviews and related studies, wherein the description of the application of some technology for biodiversity conservation and monitoring is highlighted. Finally, the paper also describes various transformative smart technologies like artificial intelligence (AI) and/or machine learning algorithms for enhanced working efficiency of currently available techniques that will aid remote monitoring methods in biodiversity conservation.

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One, two or three? Integrative species delimitation of short-range endemic Hemicycla species (Gastropoda: Helicidae) from the Canary Islands based on morphology, barcoding, AFLP and ddRADseq data

Bober

Glaubrecht

Hausdorf

et al. 2021

Molecular Phylogenetics and Evolution

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Not a marginal loss: genetic diversity of the endangered freshwater snail Melanopsis etrusca (Brot, 1862) from thermal springs in Tuscany, Italy

Cited by 6 publications

References 45 publications

Microclimate drives intraspecific thermal specialization: conservation perspectives in freshwater habitats

Microclimate drives intraspecific thermal specialization: conservation perspectives in freshwater habitats

An overview of remote monitoring methods in biodiversity conservation

One, two or three? Integrative species delimitation of short-range endemic Hemicycla species (Gastropoda: Helicidae) from the Canary Islands based on morphology, barcoding, AFLP and ddRADseq data

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