WebFeb 15, 2024 · Rare species are crucial for biological diversity and ecosystem functioning. Here, the authors combine taxonomic and functional diversity data to quantify rarity … WebMay 16, 2024 · The taxonomic and functional composition in fish assemblages significantly differed among these habitats. The taxonomic diversity presented the uptrend changes after impoundment, but downtrend in functional diversity. The directional change of species composition had a bigger slope in the TGR than the UTGR and CSR.
FunctionalandtrophicdiversityoffishesintheMekong-3S …
WebDec 14, 2024 · The functional niches of fish are described based on five complementary traits, which are commonly used in studies examining functional diversity in fish assemblages 9,38,39,40,41: fish size ... WebJun 1, 2014 · Functional diversity includes functional richness (FRic), functional evenness (FEve), and functional divergence (FDiv). Sites are mapped in Fig. 1 . Total fish biomass increased at TE and TR between 2001 and 2011, but total biomass at TE was <½ of total biomass at TR in both years ( Fig. 4A ). port stephens council chambers
How fish traits and functional diversity respond to …
Webmensional method of estimating functional diversity. For the functional traits matrix, FD was quantied as the convex hull volume of the synthetic multidimen-sional functional space lled by sh species from each site—functional richness (FR) (Villéger et al., 2008; Laliberte & Legendre, 2012; Pease et al., 2012). As functional diversity ... WebMar 25, 2024 · A total of 17 papers used traits to calculate functional diversity metrics for coral reef fish, or to derive functional entities. Functional diversity indices were most commonly calculated using size (n = 15), diet (n = 14), and space use (n = 9). WebDec 15, 2024 · Some fish species were locally extirpated, while others colonized the system, increasing the functional diversity of the current assemblage. Urbanization has commonly been associated with declines in diversity and richness, however, our findings suggest that it also plays a role in adding few invasive generalist species and native … port stephens council building regulations