The largest seaweed, giant kelp (Macrocystis) is the fastest growing and most prolific of all
plants found on earth. Growing from the seafloor and extending along the ocean surface in …

Trophic structure is among the most fundamental characteristics of an ecosystem since it is a
useful way to determine the main energy flow at the ecosystem level. In the Magellan Strait …

The reproductive cycle of Arbacia dufresnii was studied in two contrasting populations on
the eastern coast of Patagonia (Nuevo Gulf and San Jorge Gulf) from January 2008 to …

Ascidians are one of the most important taxa in fouling communities of artificial structures.
These organisms can establish new populations and successfully invade new areas …

Sea urchins of the genus Arbacia are widely distributed throughout the world, occurring in
tropical, temperate and sub-Antarctic zones. In the past, Arbacia has been the object of …

Previous studies from other latitudes have demonstrated that depth and spatial
heterogeneity, produced by surface inclination, can have strong effects on diversity and …

Analysis of the lipid composition of gonads allows differentiation between energy and
structural lipids, which is important for understanding lipid utilization during gametogenesis …

While there is a global trend in kelp forests decline, sub-Antarctic Beagle Channel kelp
ecosystems are among the most stable and extensive in the world, acting as a climatic …

Arbacia is unique among shallow echinoid genus, not in line with the general rule that sea
urchins should be either entirely tropical or entirely temperate, with limited overlap in the …

Introduction: Density is one of the critical factors in echinoderm larvae for aquaculture
purposes. Echinoplutei larvae are very sensitive to overcrowding. High culture density can …