Partial recovery of macrozoobenthos on the northwestern shelf of the Black Sea.
Mar Pollut Bull
; 207: 116857, 2024 Oct.
Article
en En
| MEDLINE
| ID: mdl-39216251
ABSTRACT
The northwestern shelf of the Black Sea has been affected by eutrophication and bottom hypoxia since the sixties. Consequently, the macrozoobenthos has suffered a well-established decline in biodiversity. However, the nature of the current benthic communities remains questionable. From 1995 to 2017, we compiled species and abiotic data for 138 sites over the shelf. Through an appropriate multivariate analytical approach, we identified benthic community changes solely due to organic pollution variations. Our results show signs of recovery with an increase in biodiversity and proportion of species vulnerable to organic enrichment. These changes were related to a decrease in riverine loads and subsequent eutrophication. However, some long-lived species typical of the area still did not exhibit noticeable recovery, which suggests that either the recovery process has not yet been achieved or some environmental conditions are still not met to warrant a sea floor ecosystem state substantially healthy.
Palabras clave
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Monitoreo del Ambiente
/
Biodiversidad
/
Eutrofización
Límite:
Animals
Idioma:
En
Revista:
Mar Pollut Bull
Año:
2024
Tipo del documento:
Article
Pais de publicación:
Reino Unido