Trophic relationship of benthic invertebrate fauna from the continental slope of the Sea of Japan

Kharlamenko, Vladimir I.; Brandt, Angelika; Kiyashko, S. I.; Würzberg, Laura

doi:10.1016/j.dsr2.2012.08.007

Cited by 15 publications

(14 citation statements)

References 53 publications

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“…In the same year, Polunin et al (2001) used the same approach to study the trophic relationships of a slope megafaunal assemblage collected off the Balearic Islands (western Mediterranean). Since these first two investigations, several others have been carried out across different oceanic regions and climes, such as the Canadian Arctic (Iken et al, 2005), the Arabian Sea (Jeffreys et al, 2009), and the Sea of Japan (Kharlamenko et al, 2013). Furthermore, over the past decade, it has become evident that the simultaneous use of different trophic markers (e.g.…”

Section: Historical Background Of Biochemical Biomarkers In Deep-sea mentioning

confidence: 99%

“…Depending on the primary food source they relied on, benthic organisms at PAP were thus characterized by either lower or higher values of δ 15 N. Similar scenarios of dual trophic pathways characterizing benthic systems were also found by Iken et al (2005) and Parzanini et al (2017) in the Northwest Atlantic. Moreover, Kharlamenko et al (2013) used both stable isotopes and FA to study the dietary sources of benthic invertebrates collected along the continental slope (500-1600 m depth) in the Sea of Japan. The authors recognized different trophic pathways (i.e.…”

Section: Understanding Deep-sea Food Webs Through Biochemical Markersmentioning

confidence: 99%

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Reviews and syntheses: Insights into deep-sea food webs and global environmental gradients revealed by stable isotopes (δ15N, δ13C) and fatty acids trophic biomarkers

Parzanini¹,

Parrish²,

Hamel³

et al. 2019

Preprint

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Abstract. Biochemical markers developed initially for food-web studies of terrestrial and shallow-water environments have only recently been applied to deep-sea ecosystems (i.e. in the early 2000s). For the first time since their implementation, this review took a close look at the existing literature in the field of deep-sea trophic ecology to synthesize current knowledge. Furthermore, it provided an opportunity for a preliminary analysis of global geographic (i.e. latitudinal, along a depth gradient) trends in the isotopic (&#948;15N, &#948;13C) and fatty acid composition of deep-sea taxa. Results revealed significant relationships along the latitudinal and bathymetric gradients. Deep-sea animals sampled at temperate and polar latitudes displayed lower isotopic ratios and greater proportions of essential &#969;3 long-chain polyunsaturated fatty acids (LC-PUFA) than did tropical counterparts. Furthermore, &#948;15N and &#948;13C ratios as well as proportions of arachidonic acid increased with increasing depth. Since similar latitudinal trends in the isotopic and fatty acid composition were found in surface water phytoplankton and particulate organic matter, these results highlight the link across latitudes between surface primary production and deep-water communities. Because global climate change may affect quantity and quality (e.g. levels of essential &#969;3 PUFA) of surface primary productivity, and by extension those of its downward flux, the dietary intake of deep-sea organisms may likely be altered. In addition, because essential &#969;3 PUFA play a major role in the response to temperature variations, climate change may interfere with the ability of deep-sea species to cope with potential temperature shifts. Importantly, methodological disparities were highlighted that prevented in-depth analyses, indicating that further studies should be conducted using standardized methods in order to generate more reliable global predictions.

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Section: Historical Background Of Biochemical Biomarkers In Deep-sea mentioning

confidence: 99%

Section: Understanding Deep-sea Food Webs Through Biochemical Markersmentioning

confidence: 99%

Reviews and syntheses: Insights into deep-sea food webs and global environmental gradients revealed by stable isotopes (δ15N, δ13C) and fatty acids trophic biomarkers

Parzanini¹,

Parrish²,

Hamel³

et al. 2019

Preprint

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“…The mud star Ctenodiscus crispatus (B ruzelius 1805) is known for its broad longitudinal distribution in boreo‐arctic waters (Ekman, 1953). C. crispatus has been documented in the Sea of Japan (Kharlamenko et al, 2013), the Beaufort Sea (Rand & Logerwell, 2011), offshore of Newfoundland (Jaramillo, 2001), the Gulf of Maine (Shick, Edwards, & Dearborn, 1981), the west side of Panama (Ekman, 1953; Grainger, 1966), the Barents Sea (Johannesen et al, 2017), the Norwegian coast (Falk‐Petersen, 1982), and Cape Hatteras in the western Atlantic (Verrill, 1914). Furthermore, the species can be observed within a depth band ranging 400–2000 m (Carey, 1972; Ringvold et al, 2021; Shick, Edwards, & Dearborn, 1981).…”

Section: Introductionmentioning

confidence: 99%

“…Despite the broad distribution of C. crispatus, relatively few studies have focused on the populations within the Pacific as compared to those in the Atlantic. Several studies have examined the steroid metabolites produced by individuals of C. crispatus in the Sea of Japan (Kicha et al, 1994(Kicha et al, , 2005 and used fatty acid and stable isotope signatures to determine their trophic position within benthic communities (Kharlamenko et al, 2013). Other studies noted the presence and abundance of C. crispatus via trawl surveys within the Bering (Rand & Logerwell, 2011) and Beaufort (Lin et al, 2018)…”

Section: Introductionmentioning

confidence: 99%

Reproductive biology of the bathyal asteroid Ctenodiscus crispatus in the northeastern Pacific

Rist

Rice

Plowman

et al. 2022

Invertebrate Biology

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The mud star Ctenodiscus crispatus has a broad distribution from Arctic waters into the northern Atlantic and Pacific oceans. Populations in the Atlantic are well studied and show oocyte sizes indicative of continuous gametogenesis with aseasonal spawning. In contrast, knowledge on the reproductive biology of Pacific populations is lacking. Thus, this study aims to examine the reproduction of C. crispatus in the northeastern Pacific. We sampled a population from the Pacific Ocean off Oregon and confirmed the species identity through 16S and cytochrome oxidase subunit I (COI) genetic barcoding. The majority of adults were 22-27 mm in size. Oocytes were obtained from dissected gonads soaked in a 1-methyladenine solution and fertilized with spawned sperm. Other individuals were preserved whole in 10% buffered formalin, and oocytes were measured from preserved gonads. Strip-spawned oocytes had a mean diameter of $485 μm, consistent with Atlantic populations. Sperm had a mean head diameter and flagellum length of 3.1 and 65.9 μm, respectively. The time between first and second cell divisions was $2 h, but larval cultures failed, and very few embryos developed to blastulae. Both strip-spawned and preserved oocytes had a bimodal sizefrequency distribution indicative of semicontinuous gametogenesis. Comparison among individuals showed evidence of asynchrony among the population. This asynchrony and bimodal oocyte distribution may be driven by regular pulses of food, as has been postulated for other populations of this species. The reproductive plasticity seen among populations of this species in different regions could explain how it successfully inhabits such a wide geographic range.

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“…Thus, I expected these helminth parasites to vary positively with the presence of crustaceans in the stomach. Additionally, since the known intermediate hosts of the parasites (crustaceans) often feed at a higher trophic level than bivalves themselves (Kharlamenko et al, 2013), I expected both helminth species to positively vary with eider duck tissue δ15N (which gives a longer timeline for eider diet than stomach content analysis alone).…”

Section: Introductionmentioning

confidence: 99%

Mercury and marine birds in Arctic Canada: pathways, effects, and interactions in a model species

Provencher¹

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Mercury (Hg) is an element naturally found both in the environment, and released through a number of industrial processes. Importantly, Hg is a toxin known to cause a wide variety of effects from changes in endocrine and neurological pathways, to impaired reproduction and decreased survival. Avian species are widely used as indicators of environmental Hg contamination as they are sensitive to its effects and multiple endpoints can be easily assessed. My thesis aims to review and explore the pathways and effects of Hg on Arctic marine birds. First, I review the current levels, known effects and trends in eight marine bird species in northern Canada. Following this review I use a model avian species (the common eider, Somateria molissima) to better understand how Hg may affect marine birds independently and jointly with our other environmental stressors. In Chapter 2 I I would like to thank the northern communities and individuals that supported this work. Many thanks to the Aiviq Hunters' and Trappers' Association in Cape Dorset for their support and assistance with the project, with special thanks to the hunters that made all this work possible; Paulasie Ottokie, Tutuya Qatsiya, Matt Ashevak, and Adamie Sam. Annie Suvega, the manager of the Aiviq Hunter and Trapper Association, has been especially helpful over the years in both planning for field work and in helping to report results back to community members. I would also like to thank my supervisors Grant Gilchrist and Mark Forbes for their support, guidance and encouragement throughout my PhD. Grant and Mark have provided patient and thoughtful advice as I moved through the PhD process. I fully recognize and appreciate the time that Grant and Mark have taken with the formal thesis components, but also with the countless hours they have spent mentoring me through all the other decisions associated with graduate school. I would also like to extend my gratitude to my committee members, Steve Cooke and Alex Poulain. Both Steve and Alex have provided meaningful suggestions and ideas throughout the thesis process. I would like to thank the many students who have worked on this project;

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Trophic relationship of benthic invertebrate fauna from the continental slope of the Sea of Japan

Cited by 15 publications

References 53 publications

Reviews and syntheses: Insights into deep-sea food webs and global environmental gradients revealed by stable isotopes (δ<sup>15</sup>N, δ<sup>13</sup>C) and fatty acids trophic biomarkers

Reviews and syntheses: Insights into deep-sea food webs and global environmental gradients revealed by stable isotopes (δ<sup>15</sup>N, δ<sup>13</sup>C) and fatty acids trophic biomarkers

Reproductive biology of the bathyal asteroid Ctenodiscus crispatus in the northeastern Pacific

Mercury and marine birds in Arctic Canada: pathways, effects, and interactions in a model species

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Trophic relationship of benthic invertebrate fauna from the continental slope of the Sea of Japan

Cited by 15 publications

References 53 publications

Reviews and syntheses: Insights into deep-sea food webs and global environmental gradients revealed by stable isotopes (δ&lt;sup&gt;15&lt;/sup&gt;N, δ&lt;sup&gt;13&lt;/sup&gt;C) and fatty acids trophic biomarkers

Reviews and syntheses: Insights into deep-sea food webs and global environmental gradients revealed by stable isotopes (δ&lt;sup&gt;15&lt;/sup&gt;N, δ&lt;sup&gt;13&lt;/sup&gt;C) and fatty acids trophic biomarkers

Reproductive biology of the bathyal asteroid Ctenodiscus crispatus in the northeastern Pacific

Mercury and marine birds in Arctic Canada: pathways, effects, and interactions in a model species

Contact Info

Product

Resources

About

Reviews and syntheses: Insights into deep-sea food webs and global environmental gradients revealed by stable isotopes (δ<sup>15</sup>N, δ<sup>13</sup>C) and fatty acids trophic biomarkers

Reviews and syntheses: Insights into deep-sea food webs and global environmental gradients revealed by stable isotopes (δ<sup>15</sup>N, δ<sup>13</sup>C) and fatty acids trophic biomarkers