Tolerance of juvenile barnacles (Amphibalanus improvisus) to warming and elevated pCO2

Christian Pansch*, Ali Nasrolahi, Yasmin Shirin Appelhans, Martin Wahl

*Tämän työn vastaava kirjoittaja

Tutkimustuotos: LehtiartikkeliArtikkeliTieteellinenvertaisarvioitu

26 Sitaatiot (Scopus)

Abstrakti

We investigated the impacts of warming and elevated pCO2 on newly settled Amphibalanus improvisus from Kiel Fjord, an estuarine ecosystem characterized by significant natural pCO2 variability. In two experiments, juvenile barnacles were maintained at two temperature and three pCO2 levels (20/24 °C, 700-2,140 μatm) for 8 weeks in a batch culture and at four pCO2 levels (20 °C, 620-2,870 μatm) for 12 weeks in a water flow-through system. Warming as well as elevated pCO2 hardly affected growth or the condition index of barnacles, although some factor combinations led to temporal significances in enhanced or reduced growth with an increase in pCO2. While warming increased the shell strength of A. improvisus individuals, elevated pCO2 had only weak effects. We demonstrate a strong tolerance of juvenile A. improvisus to mean acidification levels of about 1,000 μatm pCO2 as is already naturally experienced by the investigated barnacle population.

AlkuperäiskieliEnglanti
Sivut2023-2035
Sivumäärä13
JulkaisuMarine Biology
Vuosikerta160
DOI - pysyväislinkit
TilaJulkaistu - elok. 2013
Julkaistu ulkoisestiKyllä
OKM-julkaisutyyppiA1 Julkaistu artikkeli, soviteltu

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