scholarly journals The Influence of Manila Clam (Ruditapes philippinarum) on Macrobenthos Communities in a Korean Tidal Ecosystem

2020 ◽  
Vol 12 (10) ◽  
pp. 4205
Author(s):  
Sang Lyeol Kim ◽  
Hyung Gon Lee ◽  
Su Min Kang ◽  
Ok Hwan Yu
Keyword(s):  
Organic Carbon ◽  
Feeding Strategy ◽  
Ruditapes Philippinarum ◽  
Manila Clam ◽  
Biological Impact ◽  
Sediment Grain Size ◽  
Macrobenthic Communities ◽  
Sediment Organic Carbon ◽  
Competition For Food ◽  
Heteromastus Filiformis

We investigated the biological impact of extensive Manila clam (Ruditapes philippinarum) aquaculture on macrobenthic communities in a tidal ecosystem in Korea. We collected macrobenthos (>1 mm in length) samples seasonally in the intertidal zone in Geunsoman, Taean, Korea from April 2011 to December 2014. We identified 146 macrobenthos species, including 60 polychaetes, 53 crustaceans, and 16 mollusks. A biota–environment matching (BIO–ENV) analysis indicated that the benthic community was affected by mean sediment grain size (Mz), total organic carbon (TOC), and R. philippinarum biomass. We found no correlation between R. philippinarum and the main dominant species (Heteromastus filiformis, Ceratonereis erythraeensis, and Ampharete arctica), which have a different feeding strategy; thus, this may result in a lack of competition for food resources. In addition, we found that flourishing R. philippinarum positively affects the macrobenthos density but negatively affects the biodiversity index. Moreover, competition between species does not occur clearly, and environmental variables (sediment, organic carbon) are important.

scholarly journals Effect of sediment grain-size on development of brown ring disease in the Manila clam Ruditapes philippinarum

Aquaculture ◽  
2008 ◽  
Vol 278 (1-4) ◽  
pp. 184-187 ◽  
Author(s):  
Jonathan Flye-Sainte-Marie ◽  
Fred Jean ◽  
Susan E. Ford ◽  
Christine Paillard
Keyword(s):  
Grain Size ◽  
Ruditapes Philippinarum ◽  
Manila Clam ◽  
Sediment Grain Size ◽  
Brown Ring Disease

Three way crosses between two-band red and white zebra strains of Manila clam, Ruditapes philippinarum

2011 ◽  
Vol 34 (8) ◽  
pp. 1190-1197
Author(s):  
Xi-wu YAN ◽  
Yue-huan ZHANG ◽  
Huan-qiang SUN ◽  
Zhong-ming HUO ◽  
Xin SUN ◽  
...  
Keyword(s):  
Ruditapes Philippinarum ◽  
Manila Clam

scholarly journals Survey on Perkinsus Species in Manila Clam Ruditapes philippinarum in Korean Waters Using Species-Specific PCR

2017 ◽  
Vol 52 (4) ◽  
pp. 202-205 ◽  
Author(s):  
Hyun-Sil Kang ◽  
Hyun-Sung Yang ◽  
Kimberly S. Reece ◽  
Young-Ghan Cho ◽  
Hye-Mi Lee ◽  
...  
Keyword(s):  
Ruditapes Philippinarum ◽  
Manila Clam ◽  
Korean Waters ◽  
Specific Pcr ◽  
Species Specific

Effects of marine pollution, climate, and tidal range on biomass and sediment organic carbon in Chinese mangrove forests

CATENA ◽  
2021 ◽  
Vol 202 ◽  
pp. 105270
Author(s):  
Gang Wang ◽  
Minerva Singh ◽  
Jiaqiu Wang ◽  
Ling Xiao ◽  
Dongsheng Guan
Keyword(s):  
Organic Carbon ◽  
Marine Pollution ◽  
Tidal Range ◽  
Mangrove Forests ◽  
Sediment Organic Carbon

scholarly journals The new PFAS C6O4 and its effects on marine invertebrates: First evidence of transcriptional and microbiota changes in the Manila clam Ruditapes philippinarum

2021 ◽  
Vol 152 ◽  
pp. 106484
Author(s):  
Ilaria Bernardini ◽  
Valerio Matozzo ◽  
Sara Valsecchi ◽  
Luca Peruzza ◽  
Giulia Dalla Rovere ◽  
...  
Keyword(s):  
Marine Invertebrates ◽  
Ruditapes Philippinarum ◽  
Manila Clam

Testing the enemy release hypothesis: trematode parasites in the non-indigenous Manila clam Ruditapes philippinarum

Hydrobiologia ◽  
2009 ◽  
Vol 630 (1) ◽  
pp. 139-148 ◽  
Author(s):  
C. Dang ◽  
X. de Montaudouin ◽  
J. Bald ◽  
F. Jude ◽  
N. Raymond ◽  
...  
Keyword(s):  
Ruditapes Philippinarum ◽  
Enemy Release Hypothesis ◽  
Manila Clam ◽  
Enemy Release ◽  
Trematode Parasites

Reproductive cycle of the Manila clam (Ruditapes philippinarum): an intensively harvested invasive species in the Tagus Estuary (Portugal)

2017 ◽  
Vol 98 (7) ◽  
pp. 1645-1657 ◽  
Author(s):  
Paula Moura ◽  
Paulo Vasconcelos ◽  
Fábio Pereira ◽  
Paula Chainho ◽  
José Lino Costa ◽  
...  
Keyword(s):  
Invasive Species ◽  
Reproductive Cycle ◽  
Sexual Maturity ◽  
Ruditapes Philippinarum ◽  
Manila Clam ◽  
Tagus Estuary ◽  
Gonad Maturation ◽  
Oocyte Diameter ◽  
Ruditapes Decussatus ◽  
Spawning Period

The present study aimed to describe the reproductive cycle and estimate the size at sexual maturity of the Manila clam (Ruditapes philippinarum) in the Tagus Estuary (Portugal). Specimens were collected monthly from September 2013 to December 2015 during fishing surveys using bivalve dredges. The gametogenic cycle was described in detail using gonad histology and monitored throughout the study period by the monthly variation in the frequency of gonad maturation stages, mean gonadal index and mean oocyte diameter. This invasive population of R. philippinarum displayed synchronous gonadal development between sexes, with ripening occurring mainly in April and May followed by an extensive spawning period until November–December. Individuals reached the size at first sexual maturity at 29.4 mm in shell length (i.e. before 1 year old). Furthermore, the reproductive strategy, dynamics and potential were compared between the invasive R. philippinarum and the native congeneric carpet shell clam (Ruditapes decussatus). Overall, the data gathered in this study constitutes valuable baseline information to propose conservation strategies and implement management measures to minimize the harmful impacts caused by this invasive species on local ecosystems and native biodiversity, particularly over populations of autochthonous bivalves.

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