Habitat, growth and physiological ecology of a basaltic community of Ridgeia piscesae from the Juan de Fuca Ridge

Urcuyo, Istvan A.; Massoth, Gary J.; Julian, David; Fisher, Charles R.

doi:10.1016/s0967-0637(03)00061-x

Cited by 73 publications

(79 citation statements)

References 40 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In September 1997, an intact aggregation of Ridgeia piscesae was collected from the Easter Island site on the Main Endeavour segment of the Juan de Fuca Ridge (47°57' N, 129°06' W) using the DSV, Alvin, (Dive 3138) and a custom-built collection device (Bushmaster Jr). Bushmaster Jr is a hydraulically actuated net, 67 cm in height and 70 cm in diameter capable of enclosing and collecting entire aggregations without the loss of associated fauna (Bergquist et al 2003, Urcuyo et al 2003; the net used in this collection was of 4 mm nylon mesh. The R. piscesae aggregation collected here was situated over a hydrothermal vent orifice (21 cm diameter) in a diffuse flow environment.…”

Section: Methodsmentioning

confidence: 99%

“…The chimney environment hosts a variety of different types of communities that can change rapidly from one Tunnicliffe 1991) type to another and that tend to be dominated by a rather small number of deposit feeding and grazing species (9 to 16) (Sarrazin et al 1997, Govenar et al 2002. By comparison, relatively little is known of the communities associated with nearby diffuse flow fields, where temperatures and concentrations of reduced chemicals tend to be lower than those in chimney environments (Urcuyo et al 2003). On the Cleft Segment of the Juan de Fuca Ridge, Tsurumi & Tunnicliffe (2001) found 28 macrofaunal species in 18 collections that included collections from basaltic communities.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Using stable isotopes and quantitative community characteristics to determine a local hydrothermal vent food web

Bergquist¹,

Eckner

Urcuyo³

et al. 2007

Mar. Ecol. Prog. Ser.

View full text Add to dashboard Cite

To investigate food web structure in diffuse flow vent environments, an entire macrofaunal community associated with a single aggregation of the tubeworm Ridgeia piscesae was collected from a vent field on the Juan de Fuca Ridge in the NE Pacific. All members of the community were identified and enumerated, and the biomass and stable carbon (δ 13 C) and nitrogen (δ 15 N) isotope ratios were determined for almost all taxa. Symbiont-bearing invertebrates (primarily R. piscesae) accounted for a vast majority of the biomass of the community, and 3 presumably grazing bacterivorous gastropods dominated the biomass of the consumer fauna. Biomass and abundance of individuals declined from the bacterivore to the scavenger/detritivore to the predator feeding guild. Several species (a folliculinid ciliate, Idas washingtonia, Provanna variabilis) possessed unique stable isotope signatures, suggesting the possibility of symbiotic relationships with autotrophic bacteria. Stable isotope values varied widely between and occasionally within species in the lowest consumer levels suggesting a great diversity of food source 13 C and 15 N composition. Based on the distinct isotopic values of 3 bacterivores, 3 potential pools of isotopically-distinct microbial production were identified. The 4 highest-biomass predatory species (all polynoids) possessed δ 13 C and δ 15 N values consistent with a diet that included the tubeworm R. piscesae, a species comprising 83% of the total biomass in the collection, and the gastropod Depressigyra globulus, a species comprising 10% of the total biomass in the collection. A potential specialist predator (Clypeosectus curvus) on folliculinid ciliates was also identified. Overall the study suggested a dominant pattern of energy transfer from microbial producers to symbiont-bearing siboglinid tubeworms, various bacterivores (gastropods, polychaetes and pycnogonids), and detritivorous polychaetes to predaceous polynoids.

show abstract

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Using stable isotopes and quantitative community characteristics to determine a local hydrothermal vent food web

Bergquist¹,

Eckner

Urcuyo³

et al. 2007

Mar. Ecol. Prog. Ser.

View full text Add to dashboard Cite

show abstract

“…They have also been used on corals. The Bushmaster has proven to be very efficient on relatively flat hard bottoms (Bergquist et al 2002, Urcuyo et al 2003, Bergquist et al 2007). On irregular or vertical sulphide edifice surfaces, it is also practical to use the submersible suction sampler in combination with the manipulator arm to collect faunal samples (Sarrazin & Juniper 1999).…”

Section: Deep-sea Common Submersible Sampling Tools and Treatmentmentioning

confidence: 99%

Measure and mis-measure of species diversity in deep-sea chemosynthetic communities

Gauthier¹,

Sarrazin²,

Desbruyères³

2010

Mar. Ecol. Prog. Ser.

View full text Add to dashboard Cite

International audienceOur knowledge of species diversity in deep-sea chemosynthetic communities has come a long way since their discovery in the late 1970s, However, their study poses serious challenges that are linked to their remoteness, the variable selectivity and effectiveness of sampling tools in different conditions, a lack of consensus on the size compartments and sieve size used in practice, and the persistent discovery of species that are previously unknown to science. Still, with increasing accessibility and new sampling tools, quantitative data are becoming both more frequent and extensive, reducing limitations in the estimation and comparison of species diversity. Here, we review the literature for common difficulties encountered in the measurement and comparison of species diversity within and among deep-sea chemosynthetic communities. We lay out recommendations for future and ongoing work that should lead to more accurate evaluations and more robust comparisons. We advocate: (1) complete transparency in the taxonomic levels used to compute reported diversity measures and public access to data tables after publication; (2) an effort to standardize size compartments and sieves used within the research community; (3) the use of families of species diversity measures that allow for differential weighting of abundant and rare species; (4) the evaluation of the completeness of inventories and the stability of all diversity measures for all groups of samples under comparison; and (5) caution in the use and interpretation of statistical tests on species diversity. Only through appropriate tools can we hope to gain the knowledge and understanding necessary for the management and protection of the often endemic fauna found in deep-sea chemosynthetic communities

show abstract

“…These sensors provide data in a wide temperature range, but in some cases their sizes restrict the ability to document spatial variations over short distances. Consequently several single point measurements taken successively or simultaneously (e.g., Sarrazin et al 2002, Urcuyo et al 2003 have been averaged to describe the temperature regime of faunal…”

Section: Rinke and Leementioning

confidence: 99%

Macro camera temperature logger array for deep‐sea hydrothermal vent and benthic studies

Lee

2009

Limnology & Ocean Methods

View full text Add to dashboard Cite

IntroductionDeep sea submersibles such as remotely operated vehicles (ROVs, e.g., Jason/Medea) and human-occupied vehicles (HOVs, e.g., DSV Alvin) have revolutionized research by allowing viewing and recording of deep sea environments as well as in situ experimentation and specimen collection. Observations of activities and behavior of benthic fauna for extended periods is not practical, however, given the expense and/or limited bottom time of ROVs and HOVs. The absence of longterm observations may slow discovery of key biological/ecological phenomena, since rare events are not often documented. For example, the first observation of spawning by the giant tubeworm Riftia pachyptila happened by a chance sighting, despite hundreds of dives that have visited this environment (Van Dover 1994). Cabled observatories are planned and will provide a powerful means of allowing a continuous presence for instrumentation and observation in the deep sea (see the Neptune Canada project; Barnes et al. 2007). One disadvantage is the overall cost, and the limitation that deployments are generally fixed at one area for long periods, until the instrumentation can be moved by submersible.The ability to deploy one or several additional observation platforms by submersible can multiply the capability for observation of biota and, for biological studies, greatly increase the amount of observational data with a negligible increase in cost to the operations. Here we describe the standalone instrument SMOKE (Submersible Macrophotography Observation Kamera Equipment). SMOKE is capable of timelapse photography for up to 28 h, with simultaneous recording of temperature (for use in hydrothermal vent environments), and was recently deployed at greater than 2200 m depth at the Juan de Fuca Ridge in the Northeast Pacific. This instrument is less expensive and simpler than other deep-sea imaging and time-lapse devices. Each element is stand-alone and functions independently, thus this approach increases instrument reliability via reduced complexity. In its present configuration, SMOKE is designed as an underwater macro camera capable of acquiring high-resolution pictures of small organisms in an 18-by 14-cm field of view. The camera operates without external connections. Image acquisition rate is set before deployment, and autofocus exposure features are used to control focus and exposure time. AbstractLong-term observations of faunal communities are essential to identify biological and ecological key phenomena. Observational studies of deep sea habitats such as hydrothermal vents, however, have been restricted by technological limitations. Here we describe our recently developed instrument SMOKE (Submersible Macrophotography Observation Kamera Equipment) that was used for time-lapse macrophotography synchronized with temperature readings for up to 28 h at 2200 m depth. Lighting was provided by a novel low-cost white LED array powered by AA or AAA batteries embedded in epoxy within an aluminum case. SMOKE was successfully deployed at the Juan de ...

show abstract

Habitat, growth and physiological ecology of a basaltic community of Ridgeia piscesae from the Juan de Fuca Ridge

Cited by 73 publications

References 40 publications

Using stable isotopes and quantitative community characteristics to determine a local hydrothermal vent food web

Using stable isotopes and quantitative community characteristics to determine a local hydrothermal vent food web

Measure and mis-measure of species diversity in deep-sea chemosynthetic communities

Macro camera temperature logger array for deep‐sea hydrothermal vent and benthic studies

Contact Info

Product

Resources

About