| Full text | |
| Author(s): |
Stanski, Gilson
[1]
;
Goncalves, Geslaine R. L.
[1]
;
Grabowski, Raphael C.
[1]
;
Wolf, Milena R.
[1]
;
Castilho, Antonio Leao
[1]
Total Authors: 5
|
| Affiliation: | [1] Sao Paulo State Univ UNESP, NEBECC Grp Studies Crustacean Biol Ecol & Culture, Zool Dept, Inst Biosci Botucatu, Botucatu, SP - Brazil
Total Affiliations: 1
|
| Document type: | Journal article |
| Source: | Nauplius; v. 27, MAY 23 2019. |
| Web of Science Citations: | 0 |
| Abstract | |
We aimed to analyze the crustacean bycatch from the Xiphopenaeus kroyeri fishery in the Santa Catarina State and compare the bycatch's biomass to that of the target species. Shrimp and environmental factors were sampled monthly from July 2010 through June 2011. For each crustacean species, we calculated the number of individuals, the relative abundance and the occurrence frequency. The relative abundance was classified as very abundant (Va), abundant (Ab) or low abundance (La), while the occurrence frequency was labeled continuous (Co), accessory (Ac) or accidental (Ad). We observed a total richness of 28 species, which is considered high for a subtropical region. Brachyura was the most frequent taxon (74%) followed by Penaeiodea (18%). Five species were considered Va (Arenaeus cribrarius, Callinectes danae, C. ornatus, Isochelis sawayai and Pleoticus muelleri), and eight species were considered Co (A. cribrarius, C. danae, C. ornatus, Farfantepenaeus paulensis, Hepatus pudibundus, Libinia spinosa, Litopenaeus schmitti and Sicyonia dorsalis), suggesting that the studied environment is heterogeneous and provides a variety of microhabitats, enabling many species to coexist. Therefore, the high species richness observed demonstrates the ecological importance of this region and thus the necessity of strategies aiming to minimize the impacts caused by trawling fisheries. (AU) | |
| FAPESP's process: | 10/50188-8 - Decapod crustaceans: multi-disciplinary characterization of the sea biodiversity of the State of São Paulo (taxonomy, spermiotaxonomy, molecular biology and population dynamics) |
| Grantee: | Fernando Luis Medina Mantelatto |
| Support Opportunities: | BIOTA-FAPESP Program - Thematic Grants |