Distribution, habitat requirements, and vulnerability of Caliaeschna microstigma at the north-western edge of its range (Odonata: Aeshnidae)

Vilenica, Marina; Kulijer, Dejan; Gligorović, Bogić; Gligorović, Aleksandra; Knijf, Geert De

doi:10.60024/zenodo.5703202

Cited by 3 publications

(2 citation statements)

References 27 publications

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“…The habitat of both Cordulegaster species is very local in the Balkans, shared with Caliaeschna microstigma Schneider, 1845. This species seems to co-habit very well with both Cordulegaster species, as in nearly half of the localities, at least one Cordulegaster species is present [76].…”

Section: Discussionmentioning

confidence: 81%

Winners and Losers: Cordulegaster Species under the Pressure of Climate Change

Fekete

Knijf

Dinis

et al. 2023

Insects

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(1) Bioclimatic factors have a proven effect on species distributions in terrestrial, marine, or freshwater ecosystems. Because of anthropogenic effects, the changes in these variables are accelerated; thus, the knowledge of the impact has great importance from a conservation point of view. Two endemic dragonflies, the Balkan Goldenring (Cordulegaster heros) and the Two-Toothed Goldenring (C. bidentata), confined to the hilly and mountainous regions in Europe, are classified as “Near Threatened” according to the IUCN Red List. (2) Modeling the potential occurrence of both species under present and future climatic conditions provides a more accurate picture of the most suitable areas. The models were used to predict the responses of both species to 6 different climate scenarios for the year 2070. (3) We revealed which climatic and abiotic variables affect them the most and which areas are the most suitable for the species. We calculated how future climatic changes would affect the range of suitable areas for the two species. (4) According to our results, the suitable area for Cordulegaster bidentata and C. heros are strongly influenced by bioclimatic variables and showed an upward shift toward high elevations. The models predict a loss of suitable area in the case of C. bidentata and a large gain in the case of C. heros.

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Section: Discussionmentioning

confidence: 81%

Winners and Losers: Cordulegaster Species under the Pressure of Climate Change

Fekete

Knijf

Dinis

et al. 2023

Insects

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“…Although the vast majority of mollusks inhabiting spring ecosystems correspond to snails (Gastropoda), some clam species (e.g., taxa from the Sphaeriidae or Lasaeidae families) may also occur in these singular environments and even show clear spring‐habitat preferences (Rassam et al., 2021; Rossini et al., 2018). In addition to passively dispersing organisms (e.g., crustaceans, mollusks, and water mites), Mediterranean spring ecosystems also host a high diversity of actively dispersing invertebrates and even comprise the main habitat for several threatened taxa, such as some conservation concern and spring‐dependent Odonata species (Assandri et al., 2020; Vilenica et al., 2021). In fact, about 60% of the total Odonata species occurring in Montenegro have been recorded at spring ecosystems (Pešić et al., 2017).…”

Section: Biodiversity Of Mediterranean Spring Ecosystemsmentioning

confidence: 99%

Mediterranean springs: Keystone ecosystems and biodiversity refugia threatened by global change

Fernández‐Martínez,

Barquín,

Bonada

et al. 2023

Global Change Biology

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Mediterranean spring ecosystems are unique habitats at the interface between surface water and groundwater. These ecosystems support a remarkable array of biodiversity and provide important ecological functions and ecosystem services. Spring ecosystems are influenced by abiotic, biotic, and anthropogenic factors such as the lithology of their draining aquifers, their climate, and the land use of their recharge area, all of which affect the water chemistry of the aquifer and the spring discharges. One of the most relevant characteristics of spring ecosystems is the temporal stability of environmental conditions, including physicochemical features of the spring water, across seasons and years. This stability allows a wide range of species to benefit from these ecosystems (particularly during dry periods), fostering an unusually high number of endemic species. However, global change poses important threats to these freshwater ecosystems. Changes in temperature, evapotranspiration, and precipitation patterns can alter the water balance and chemistry of spring water. Eutrophication due to agricultural practices and emergent pollutants, such as pharmaceuticals, personal care products, and pesticides, is also a growing concern for the preservation of spring biodiversity. Here, we provide a synthesis of the main characteristics and functioning of Mediterranean spring ecosystems. We then describe their ecological value and biodiversity patterns and highlight the main risks these ecosystems face. Moreover, we identify existing knowledge gaps to guide future research in order to fully uncover the hidden biodiversity within these habitats and understand the main drivers that govern them. Finally, we provide a brief summary of recommended actions that should be taken to effectively manage and preserve Mediterranean spring ecosystems for future generations. Even though studies on Mediterranean spring ecosystems are still scarce, our review shows there are sufficient data to conclude that their future viability as functional ecosystems is under severe threat.

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Diversity, Status and Phenology of the Dragonflies and Damselflies of Cyprus (Insecta: Odonata)

2021

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Based on literature data, unpublished material and the results of the year-round monitoring at selected sites island-wide by the Cyprus Dragonfly Study Group since 2013, we acquired an excellent knowledge of the diversity and status of the Odonata of Cyprus. Altogether, 37 species are on the island’s checklist. Ischnura pumilio, Aeshna affinis and Brachythemis impartita were only very rarely recorded in the past but are considered to be no longer present. The single record of Calopteryx virgo from 1930 is in our opinion a misidentification and has been removed from the checklist. The island has a rather impoverished odonate fauna compared to neighbouring countries. There are no endemic species, but the island is home to some range of restricted species of which Ischnura intermedia is the most important. Flight seasons determined for the 31 species with sufficient data were generally found to be longer than reported for other countries in the Eastern Mediterranean. This may be due to intensive year-round monitoring but could also result from Cyprus’ warmer climate. Very wide annual variations were found in the abundance of all species over the seven years and show an almost immediate response to the wide fluctuations in Cyprus’ annual rainfall levels.

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Distribution, habitat requirements, and vulnerability of Caliaeschna microstigma at the north-western edge of its range (Odonata: Aeshnidae)

Cited by 3 publications

References 27 publications

Winners and Losers: Cordulegaster Species under the Pressure of Climate Change

Winners and Losers: Cordulegaster Species under the Pressure of Climate Change

Mediterranean springs: Keystone ecosystems and biodiversity refugia threatened by global change

Diversity, Status and Phenology of the Dragonflies and Damselflies of Cyprus (Insecta: Odonata)

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