Islands in a Sea of Mud

Ks, Meyer

doi:10.1016/bs.amb.2016.09.002

Cited by 9 publications

(3 citation statements)

References 242 publications

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“…less (negative non-random co-occurrence) or more (positive non-random co-occurrence) often than expected by chance (Gotelli and McCabe 2002;Meyer 2016). Negative nonrandom co-occurrence patterns have been attributed to interspecific competition (Diamond 1975), though this interpretation has been criticized for its lack of supporting evidence (Connor and Simberloff 1979).…”

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confidence: 99%

Recruitment of benthic invertebrates in high Arctic fjords: Relation to temperature, depth, and season

Meyer¹,

Sweetman

Kukliński

et al. 2017

Limnology & Oceanography

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In the high Arctic, recruitment of hard‐bottom benthic organisms has been studied at single locations, but little is known about how it varies spatially or temporally, or how it is influenced by abiotic factors. In this study, settlement plates were simultaneously deployed at five locations in three Svalbard (Norway) fjords at depths ranging from 7 m to 215 m. Recruitment was significantly different among fjords and among locations within a fjord. Recruits at each site co‐occurred randomly even though interspecific overgrowth was observed. This finding provides further evidence that there is not necessarily a relationship between non‐random co‐occurrence and interspecific competition, such as is traditionally assumed for other isolated, island‐like habitats. We found significantly lower recruitment in an Arctic‐influenced fjord than in more Atlantic‐influenced fjords. The abundance and richness of recruits was significantly lower in fall‐winter than in spring‐summer, but the spirorbid Circeis armoricana recruited in high abundance in fall‐winter. Both the abundance and taxonomic richness of recruits declined exponentially with depth, with the hydroid Stegopoma plicatile dominating at 215 m in an Atlantic‐influenced fjord. The most abundant recruiting taxa (C. armoricana, Semibalanus balanoides, Harmeria scutulata, Celleporella hyalina) can be described as pioneer (early‐succession) species. Crustose coralline algae, a slow‐growing superior competitor, also recruited at one location. Recruitment in Svalbard is highly variable, both spatially and temporally, and our results show the influence of local factors such as adult species composition.

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confidence: 99%

Recruitment of benthic invertebrates in high Arctic fjords: Relation to temperature, depth, and season

Meyer¹,

Sweetman

Kukliński

et al. 2017

Limnology & Oceanography

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“…Knowledge of the local season, duration and behavior of pelagic larval life stages of marine macroin-vertebrates is limited (Miller et al 2010, Palumbi 2003, Meyer 2017; studies of population connectivity have largely been based on genetics (Shank 2010). However, it is increasingly recognized that larval durations can vary widely among species (Marshall & Keough 2003, Bay et al 2006, Shanks 2009, and that oceanographic processes can play a significant role in determining distance traveled despite species' biology (Baums et al 2006, Shank & Halanych 2007, Shanks 2009, Young et al 2012.…”

Section: Hypotheses and Conceptual Modelmentioning

confidence: 99%

“…For some assemblages of species, marine areas such as banks, reefs and seamounts can often function as 'islands' within a seascape of various other habitats (Rogers 1994, Dawson 2016, Meyer et al 2016, Meyer 2017, Itescu 2019. Ocean currents (which can transport passive particles such as larvae) can play a significant role in connecting like habitats and establishing similar assemblages of species (Moritz et al 2013).…”

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confidence: 99%

Marine macroinvertebrate species-area relationships, assemblage structure and their environmental drivers on submarine banks

Stortini

Petrie

Frank

et al. 2020

Mar. Ecol. Prog. Ser.

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Modern extensions of the theory of island biogeography (TIB) posit that the slope of the species-area relationship (SAR) reflects the insularity of ecological communities and is strongly influenced by species’ motility. We explore the relative insularity of crustacean, echinoderm and mollusk/Cirripedia assemblages in terms of both alpha diversity (species richness) and assemblage structure (relative biomass of species). These taxa/groups differ in adult motility and larval dispersal capacity. The habitats of interest were 10 offshore banks on the Scotian Shelf, northwest Atlantic Ocean, a region dominated by the NE- to SW-flowing Nova Scotia Current (NSC). Banks in the NE tended to be larger, more heterogeneous, cooler, less saline, more retentive and more productive (higher chlorophyll a) than those in the SW. Only mollusks/Cirripedia, the least motile and dispersive group, had a significant SAR slope, supporting TIB. For crustaceans and echinoderms, temperature/salinity properties and habitat heterogeneity, respectively, were important predictors of alpha diversity. Inter-bank variation in crustacean assemblage structure was accounted for largely by bank location relative to the NSC; the leading variables accounting for echinoderm and mollusk/Cirripedia assemblage structure were retention time and mean annual chlorophyll concentration, respectively. Along the NE to SW axis of the NSC, there was a substantial loss of species (7 crustacean, 9 echinoderm and 13 mollusk/Cirripedia species) and decreases in the biomass of common cold-water species. A complex interplay of species motility/dispersal capacity, local oceanography and habitat properties determine the extent to which (1) TIB applies to submarine macroinvertebrate assemblages and (2) upstream and downstream assemblages are interconnected.

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