@article{fdi:010092235,
  title = {{S}ignatures of natural and human activities revealed from sediment archives : a case study of the {K}enyan coral reef ecosystems},
  author = {{M}wadzombo, {N}. {N}. and {T}ole, {M}. {P}. and {M}washimba, {G}. {P}. and {L}e {C}ornec, {F}lorence},
  editor = {},
  language = {{ENG}},
  abstract = {{U}se of an integrated approach to assess levels of trace metal from coral reef sediments to identify trace metal pollution source in three {K}enyan coral reef ecosystems; {T}ana {D}elta {Z}iwayu {I}sland, {W}atamu {N}ational {M}arine {P}ark, and {S}himoni {M}upunguti {M}arine {R}eserve, showed that the concentration variation of the trace metals was in the order; {F}e > {A}l > {M}n > {Z}n > {C}r > {N}i > {Y} > {A}s > {C}u > {P}b > {H}g > {C}d. {T}he marine water quality of the investigated coral reef habitats was evaluated using sediment quality assessment tools ({SQAT}); enrichment factor ({EF}) and potential ecological risk index. {T}he results on the {EF} for the metal variable of priority ranged between 0 > {EF} < 2 and 20 < {EF} < 40. {B}oth the environmental marker for terrestrial inputs (e.g., {M}n) recorded deficiency to minimal, whereas markers for human development (e.g., {C}r, {C}u, {P}b, and {Z}n) recorded deficiency to minimal to very high enrichment, implying that both natural and anthropogenic activities were responsible for the trace metal influx in the investigated coral reef ecosystems. {T}he order of {EF} for the metal variables was {M}n < {C}u = {P}b < {C}r < {N}i < {Z}n. {T}race metal enrichment across the investigated coral reef habitats was in the order; {W}atamu > {S}himoni > {T}ana {D}elta. {O}n the other hand, the evaluated potential ecological risk indices ranged between (0 <= 40), and all the investigated trace metal variable showed no potential pollution risk except for {C}d at {T}ana {D}elta and {W}atamu. {M}oreover, the inferential statistical tools (multivariate analysis and {P}earson correlation) revealed that, natural and human-induced drivers were responsible for 60.49 and 21.19% respectively of the observed concentration variation on the trace metal variables. {B}oth the {SQAT} and the inferential statistical tools indicated that, the coral reef ecosystems at {T}ana {D}elta {Z}iwayu {I}sland were mainly impacted by natural -induced drivers (continental crustal inputs), whereas reefs at {W}atamu and {S}himoni were mainly impacted by human-induced drivers (e.g., coastal urbanization and maritime activities).},
  keywords = {{C}oral reef ecosystems ; {C}oastal development ; {E}nrichment factor ; {E}cological risk index ; {M}ultivariate analysis ; {KENYA} ; {OCEAN} {INDIEN}},
  booktitle = {},
  journal = {{T}halassas},
  volume = {41},
  numero = {1},
  pages = {25 [18 p.]},
  ISSN = {0212-5919},
  year = {2025},
  DOI = {10.1007/s41208-024-00775-2},
  URL = {https://www.documentation.ird.fr/hor/fdi:010092235},
}