Larval survival and development of Carcinus maenas from Norway and Spain reared in a laboratory experiment
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| Natura: | Dataset Open Access |
| Lingua: | en |
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PANGAEA
2026
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| _version_ | 1867168242207817728 |
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| author | Torres, Gabriela Geißel, Jan Phillipp Espinosa-Novo, Noé Harzsch, Steffen Giménez, Luis |
| author_facet | Torres, Gabriela Geißel, Jan Phillipp Espinosa-Novo, Noé Harzsch, Steffen Giménez, Luis |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | Larval and adult stages of marine species with complex life cycles often differ in thermal tolerance, with larvae typically showing narrower thermal tolerance limits. To assess how such stage-specific differences may influence species' range dynamics under climate change, we quantified larval performance of the European shore crab Carcinus maenas across an environmental temperature gradient. We measured larval survival rates (%) from hatching to metamorphosis to megalopa and the duration of development (days) at seven constant-temperature treatments (9-27 °C, in 3 °C increments). Data represent experimental observations of larval performance under laboratory conditions and are reported at the level of replicates by females of each population. Replication was performed on two levels: 5 * 10 larvae were reared per female, and 4 to 6 females were used per population. Larvae originated from berried females collected from populations at the southern and northern parts of the native European distribution (Vigo, Spain; Bergen and Trondheim, Norway). The data were collected during one reproductive period in 2022. We aimed to test the hypothesis that larvae from northern populations are more tolerant to low temperatures, while southern populations exhibit increased tolerance to high temperatures, which would facilitate poleward range expansion under warming conditions. Our results show that larvae from Spain displayed slightly higher survival rates to megalopa at warmer temperatures compared to those from northern populations. However, little variation in tolerance was observed between northern Spain and Norway, with low survival at the temperature extremes (9 °C and 27 °C). Notably, larvae from Norway exhibited faster development at low temperatures. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_989513 |
| institution | PANGAEA |
| language | en |
| publishDate | 2026 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Larval survival and development of Carcinus maenas from Norway and Spain reared in a laboratory experiment Torres, Gabriela Geißel, Jan Phillipp Espinosa-Novo, Noé Harzsch, Steffen Giménez, Luis Austevoll, Norway; Carcinus_maenas_Bergen_2022_1; Carcinus_maenas_Bergen_2022_2; Carcinus_maenas_Bergen_2022_3; Carcinus_maenas_Trondheim_2022_1; Carcinus_maenas_Trondheim_2022_2; Carcinus_maenas_Trondheim_2022_3; Carcinus_maenas_Vigo_2022; Carcinus maenas, female; Date/time end, experiment; Date/time start, experiment; Development, duration, cumulative; HAND; intraspecific trait variation; Laboratory experiment; larval performance; latitudinal variation; Location; Number of survivors, cumulative; phenotypic physiological plasticity; Reference in WoRMS; Sampling by hand; Species, unique identification; Species, unique identification (Semantic URI); Species, unique identification (URI); thermal tolerance; Treatment: temperature; Trondheim, Norway; Type of study; VID; Vigo, Spain; Visual identification; WoRMS Larval and adult stages of marine species with complex life cycles often differ in thermal tolerance, with larvae typically showing narrower thermal tolerance limits. To assess how such stage-specific differences may influence species' range dynamics under climate change, we quantified larval performance of the European shore crab Carcinus maenas across an environmental temperature gradient. We measured larval survival rates (%) from hatching to metamorphosis to megalopa and the duration of development (days) at seven constant-temperature treatments (9-27 °C, in 3 °C increments). Data represent experimental observations of larval performance under laboratory conditions and are reported at the level of replicates by females of each population. Replication was performed on two levels: 5 * 10 larvae were reared per female, and 4 to 6 females were used per population. Larvae originated from berried females collected from populations at the southern and northern parts of the native European distribution (Vigo, Spain; Bergen and Trondheim, Norway). The data were collected during one reproductive period in 2022. We aimed to test the hypothesis that larvae from northern populations are more tolerant to low temperatures, while southern populations exhibit increased tolerance to high temperatures, which would facilitate poleward range expansion under warming conditions. Our results show that larvae from Spain displayed slightly higher survival rates to megalopa at warmer temperatures compared to those from northern populations. However, little variation in tolerance was observed between northern Spain and Norway, with low survival at the temperature extremes (9 °C and 27 °C). Notably, larvae from Norway exhibited faster development at low temperatures. |
| title | Larval survival and development of Carcinus maenas from Norway and Spain reared in a laboratory experiment |
| topic | Austevoll, Norway; Carcinus_maenas_Bergen_2022_1; Carcinus_maenas_Bergen_2022_2; Carcinus_maenas_Bergen_2022_3; Carcinus_maenas_Trondheim_2022_1; Carcinus_maenas_Trondheim_2022_2; Carcinus_maenas_Trondheim_2022_3; Carcinus_maenas_Vigo_2022; Carcinus maenas, female; Date/time end, experiment; Date/time start, experiment; Development, duration, cumulative; HAND; intraspecific trait variation; Laboratory experiment; larval performance; latitudinal variation; Location; Number of survivors, cumulative; phenotypic physiological plasticity; Reference in WoRMS; Sampling by hand; Species, unique identification; Species, unique identification (Semantic URI); Species, unique identification (URI); thermal tolerance; Treatment: temperature; Trondheim, Norway; Type of study; VID; Vigo, Spain; Visual identification; WoRMS |
| url | https://doi.org/10.1594/PANGAEA.989513 |