Impact of the nemertean Lineus viridis on its polychaete prey on an intertidal sandflat

Hydrobiologia ◽  
1988 ◽  
Vol 156 (1) ◽  
pp. 39-46 ◽  
Author(s):  
Walter Nordhausen
Keyword(s):  
Intertidal Sandflat ◽  
Lineus Viridis

scholarly journals Life history of Lineus viridis (Müller, 1774) (Heteronemertea, Nemertea)

2011 ◽  
Vol 66 (3) ◽  
pp. 243-252 ◽  
Author(s):  
Jörn von Döhren ◽  
Patrick Beckers ◽  
Thomas Bartolomaeus
Keyword(s):  
Life History ◽  
History Of ◽  
Lineus Viridis

Rapid physical and biological particle mixing on an intertidal sandflat

2004 ◽  
Vol 62 (1) ◽  
pp. 67-92 ◽  
Author(s):  
Anthony F. D'Andrea ◽  
Glenn R. Lopez ◽  
Robert C. Aller
Keyword(s):  
Particle Mixing ◽  
Intertidal Sandflat ◽  
Biological Particle

Effect of stingray (Hemitrygon akajei) foraging on a ghost shrimp population (Nihonotrypaea harmandi) on an intertidal sandflat, western Kyushu, Japan

2020 ◽  
Vol 71 (9) ◽  
pp. 1128
Author(s):  
Akio Tamaki ◽  
Kazuyuki Harada ◽  
Yoshinobu Sogawa ◽  
Seiji Takeuchi
Keyword(s):  
Spring Tide ◽  
The Body ◽  
Gut Contents ◽  
Size Frequency Distribution ◽  
Frequency Distributions ◽  
Size Frequency ◽  
Intertidal Sandflat ◽  
Shrimp Density ◽  
Feeding Bout ◽  
Shrimp Population

Callianassid shrimp residing in deep burrows have large bioturbating effects on marine soft-bottom communities. A few predators that excavate deep pits could have substantial effects on shrimp populations, as well as knock-on effects. Processes and consequences of such effects on shrimp populations are poorly understood. On a 300-m-wide intertidal sandflat area between tide marks in western Kyushu between 1989 and 1994, shrimp population densities were stable, reaching >1300individualsm–2. Dasyatid stingray feeding pits reaching depths up to 20cm occurred abruptly in large numbers in 1994, after which shrimp densities decreased yearly to hundreds of individuals per square metre in 2001. The densities of ray feeding pits formed per day were monitored every or every other spring tide between 2000 and 2001. Schools of rays were enclosed during submerged times and their body sizes recorded alive to determine size-frequency distribution. The body-size frequency distributions of shrimp were compared among the gut contents of several rays, ray feeding pits and intact sandflat. Reductions in the shrimp density per ray feeding bout compared with the density on the intact sandflat were recorded. A model of daily predation at different seasonal rates was used to simulate the yearly change in shrimp density. The result was consistent with the actual change.

Ultrastructure and development of the rhabdomeric eyes in Lineus viridis (Heteronemertea, Nemertea)

Zoology ◽  
2007 ◽  
Vol 110 (5) ◽  
pp. 430-438 ◽  
Author(s):  
Jörn von Döhren ◽  
Thomas Bartolomaeus
Keyword(s):  
Lineus Viridis

scholarly journals An evaluation of small-scale genetic diversity and the mating system in Zostera noltii on an intertidal sandflat in the Wadden Sea

2010 ◽  
Vol 107 (1) ◽  
pp. 127-134 ◽  
Author(s):  
Andreas M. Zipperle ◽  
James A. Coyer ◽  
Karsten Reise ◽  
Wytze T. Stam ◽  
Jeanine L. Olsen
Keyword(s):  
Genetic Diversity ◽  
Mating System ◽  
Wadden Sea ◽  
Small Scale ◽  
Zostera Noltii ◽  
Intertidal Sandflat
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