Similarity of rocky intertidal assemblages along the Pacific coast of Japan: effects of spatial scales and geographic distance

Nakaoka, Masahiro; Ito, Norihiko; Yamamoto, Tomoko; Okuda, Takahisa; Noda, Takashi

doi:10.1007/s11284-005-0138-6

Cited by 58 publications

(62 citation statements)

References 34 publications

(1 reference statement)

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“…This result suggests that spatial processes, especially dispersal limitation, in determining community structure differ among taxonomic groups depending on ecological characteristics such as dispersal ability. A similar result was reported by Nakaoka et al (2006) from the Pacific coast of Japan (including the region studied here). Distance-decay of community similarity among plots was greatest for algae, but distance-decay of community similarity among shores was greatest for sessile animals.…”

Section: Discussionsupporting

confidence: 92%

Contribution of environmental and spatial processes to rocky intertidal metacommunity structure

et al. 2010

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It has been debated whether the community structure of an open system is more dependent on environmental processes associated with niche explanations, or on spatial processes related to dispersal. Their relative importance may differ among taxonomic groups with properties of the community such as ecological characteristics (e.g., dispersal ability and life history) and habitat type. We examined the relative importance of environmental and spatial processes on community structure for three taxonomic groups with different ecological characteristics (macroalgae, sessile invertebrates, and mobile molluscs) in rocky intertidal shores of Sanriku Coast, Japan. To evaluate the relative contribution of the two processes in determining community structure, we conducted variation partitioning to reveal the degree of variation of community structure (i.e., β-diversity) explained by environmental heterogeneity and spatial arrangement of local communities. The results of our analyses indicated that β-diversity was significantly explained by both environmental factors (macroalgae, 29.3% of community variation: sessile animal, 40.7%: mobile molluscs, 16.7%) and spatial factors (macroalgae, 19.9%: sessile animal, 3.6%: mobile molluscs, 6.6%) in all taxonomic groups. These results imply that although some taxonomic groups live in the same ecosystem, share common resources, and interact with each other, the mechanisms determining their community structure change depending on ecological characteristics such as dispersal ability and life history.

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Section: Discussionsupporting

confidence: 92%

Contribution of environmental and spatial processes to rocky intertidal metacommunity structure

et al. 2010

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“…However, these turnover rates are similar to other systems (vascular plants Nekola & White (1999), e.g. intertidal invertebrates Nakaoka et al (2006)). Moreover, high turnover does not necessarily preclude extensive geographical ranges if species are patchily distributed within those ranges.…”

Section: Introductionsupporting

confidence: 74%

The dynamics of biogeographic ranges in the deep sea

2010

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Anthropogenic disturbances such as fishing, mining, oil drilling, bioprospecting, warming, and acidification in the deep sea are increasing, yet generalities about deep-sea biogeography remain elusive. Owing to the lack of perceived environmental variability and geographical barriers, ranges of deep-sea species were traditionally assumed to be exceedingly large. In contrast, seamount and chemosynthetic habitats with reported high endemicity challenge the broad applicability of a single biogeographic paradigm for the deep sea. New research benefiting from higher resolution sampling, molecular methods and public databases can now more rigorously examine dispersal distances and species ranges on the vast ocean floor. Here, we explore the major outstanding questions in deep-sea biogeography. Based on current evidence, many taxa appear broadly distributed across the deep sea, a pattern replicated in both the abyssal plains and specialized environments such as hydrothermal vents. Cold waters may slow larval metabolism and development augmenting the great intrinsic ability for dispersal among many deep-sea species. Currents, environmental shifts, and topography can prove to be dispersal barriers but are often semipermeable. Evidence of historical events such as points of faunal origin and climatic fluctuations are also evident in contemporary biogeographic ranges. Continued synthetic analysis, database construction, theoretical advancement and field sampling will be required to further refine hypotheses regarding deep-sea biogeography.

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“…The mid tidal zone examined in this study is dominated by a native barnacle, Chthamalus dalli (Fukaya et al 2013). Other typical space occupants include Semibalanus cariosus (barnacle; Nakaoka et al 2006), and the seaweeds Analipus japonicus, Chondrus yendoi, Corallina pilulifera, Gloiopeltis furcata, and Hildenbrandia sp. (Okuda et al 2004).…”

Section: Study Areamentioning

confidence: 99%

“…(Okuda et al 2004). Invertebrate predators include the whelk Nucella lima and sea star Leptasterias ochotensis, with the latter species uncommon and restricted to a lower tidal zone (Nakaoka et al 2006;Munroe and Noda 2010). N. lima preys on barnacles at the mid tidal zone on these shores (AKM Rashidul Alam, personal observation).…”

Section: Study Areamentioning

confidence: 99%

Early phase of the invasion of Balanus glandula along the coast of Eastern Hokkaido: changes in abundance, distribution, and recruitment

et al. 2013

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To understand the patterns and processes associated with the population dynamics of Balanus glandula during the early phase of invasion along the Pacific coast of eastern Hokkaido, population surveys were conducted from 2002 to 2011 at five shores, each consisting of five paired plots (scraped recruitment plot and unscraped establishment plot), along 49 km of coastline located 144 km east of the eastern front of the invasion of this species in 2000. Larval recruitment was first detected in 2004, but the establishment of a population was not observed until 2 years later at the westernmost shore of the study area. Occurrence increased from non-native barnacle present in 4 % of plots in 2006 to 100 % in 2011, but mean coverage remained low (\5 %) in 2011. Most local population coverage fluctuated without indicating clear temporal trends, but coverage in one plot showed a consistent pattern of rapid increase. Local extinctions occurred, but rates of local extinction decreased with time as larval recruitment increased. Lag times between recruitment and establishment occurred for 64 % of the paired plots and ranged from 1 to 4 years. Lag times decreased after 5 years, when larval recruitment increased. These findings suggest that the intensity of larval recruitment determined invasion dynamics during this early phase of the invasion, and the monitoring of recruitment is therefore essential for early detection of invasions by sessile marine organisms and prediction of their range expansion.

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Similarity of rocky intertidal assemblages along the Pacific coast of Japan: effects of spatial scales and geographic distance

Cited by 58 publications

References 34 publications

Contribution of environmental and spatial processes to rocky intertidal metacommunity structure

Contribution of environmental and spatial processes to rocky intertidal metacommunity structure

The dynamics of biogeographic ranges in the deep sea

Early phase of the invasion of Balanus glandula along the coast of Eastern Hokkaido: changes in abundance, distribution, and recruitment

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