The temperature experienced by micro-invertebrates in extreme environments (such as those of Antarctica) is a pivotal parameter regarding these animals' ecology and physiology. However, at present, detailed knowledge of microhabitat physical conditions in Antarctica is limited, as well as being biased towards sub-Antarctic and Maritime Antarctic regions. To better understand the temperature conditions experienced in the microhabitats of Continental Antarctica by the native microfauna, we recorded temperatures year round in ponds and soils in an area of the Victoria Land coast and compared these measurements with air temperature data from the closest automatic weather station. We identified an important difference in temperature dynamics between the air, soil and pond datasets. Ponds were the warmest sites overall, differing by up to 7.5°C in comparison with the air temperature due to their greater thermal capacity, which also drove their patterns of freeze-thaw cycles and mean daily thermal excursion.

Microhabitats, macro-differences: a survey of temperature records in Victoria Land terrestrial and freshwater environments / Cucini, Claudio; Nardi, Francesco; Magnoni, Letizia; Rebecchi, Lorena; Guidetti, Roberto; Convey, Peter; Carapelli, Antonio. - In: ANTARCTIC SCIENCE. - ISSN 0954-1020. - 34:3(2022), pp. 256-265. [10.1017/S0954102022000050]

Microhabitats, macro-differences: a survey of temperature records in Victoria Land terrestrial and freshwater environments

Rebecchi, Lorena;Guidetti, Roberto;
2022

Abstract

The temperature experienced by micro-invertebrates in extreme environments (such as those of Antarctica) is a pivotal parameter regarding these animals' ecology and physiology. However, at present, detailed knowledge of microhabitat physical conditions in Antarctica is limited, as well as being biased towards sub-Antarctic and Maritime Antarctic regions. To better understand the temperature conditions experienced in the microhabitats of Continental Antarctica by the native microfauna, we recorded temperatures year round in ponds and soils in an area of the Victoria Land coast and compared these measurements with air temperature data from the closest automatic weather station. We identified an important difference in temperature dynamics between the air, soil and pond datasets. Ponds were the warmest sites overall, differing by up to 7.5°C in comparison with the air temperature due to their greater thermal capacity, which also drove their patterns of freeze-thaw cycles and mean daily thermal excursion.
2022
34
3
256
265
Microhabitats, macro-differences: a survey of temperature records in Victoria Land terrestrial and freshwater environments / Cucini, Claudio; Nardi, Francesco; Magnoni, Letizia; Rebecchi, Lorena; Guidetti, Roberto; Convey, Peter; Carapelli, Antonio. - In: ANTARCTIC SCIENCE. - ISSN 0954-1020. - 34:3(2022), pp. 256-265. [10.1017/S0954102022000050]
Cucini, Claudio; Nardi, Francesco; Magnoni, Letizia; Rebecchi, Lorena; Guidetti, Roberto; Convey, Peter; Carapelli, Antonio
File in questo prodotto:
File Dimensione Formato  
Cucini et al 2022 temperature records in Victoria land.pdf

Open access

Tipologia: Versione pubblicata dall'editore
Dimensione 894.55 kB
Formato Adobe PDF
894.55 kB Adobe PDF Visualizza/Apri
Pubblicazioni consigliate

Licenza Creative Commons
I metadati presenti in IRIS UNIMORE sono rilasciati con licenza Creative Commons CC0 1.0 Universal, mentre i file delle pubblicazioni sono rilasciati con licenza Attribuzione 4.0 Internazionale (CC BY 4.0), salvo diversa indicazione.
In caso di violazione di copyright, contattare Supporto Iris

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1270823
Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 2
  • ???jsp.display-item.citation.isi??? 2
social impact