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Long-term decline in the thickness of eggshells of thrushes, Turdus spp., in Britain
The thickness of eggshells of four species of thrush, Turdus spp., was estimated by an index based on the mass and linear dimensions of blown eggs in museum collections from Britain. Shell thickness was also measured directly for two species and was highly correlated with the index. Widespread decli...
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
1998
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1689032/ https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1098/rspb.1998.0347 |
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