Calorific, ash, carbon and nitrogen content in relation to length and dry weight of Parathemisto gaudichaudi (Amphipoda: Hyperiidea) in the North East Atlantic Ocean

1979 ◽  
Vol 52 (3) ◽  
pp. 247-252 ◽  
Author(s):  
R. Williams ◽  
D. Robins
Keyword(s):  
Atlantic Ocean ◽  
Nitrogen Content ◽  
Dry Weight ◽  
East Atlantic ◽  
Carbon And Nitrogen ◽  
North East ◽  
The North ◽  
Carbon And Nitrogen Content

The management performance of marine protected areas in the North-east Atlantic Ocean

Marine Policy ◽  
2017 ◽  
Vol 76 ◽  
pp. 159-168 ◽  
Author(s):  
Inma Álvarez-Fernández ◽  
Nuria Fernández ◽  
Noela Sánchez-Carnero ◽  
Juan Freire
Keyword(s):  
Atlantic Ocean ◽  
Protected Areas ◽  
Marine Protected Areas ◽  
East Atlantic ◽  
Management Performance ◽  
North East ◽  
The North

Biometrics, Carbon and Nitrogen Content in Two Cnidarians: Urticina Felina and Alcyonium Digitatum

1996 ◽  
Vol 76 (3) ◽  
pp. 595-602 ◽  
Author(s):  
A. Migné ◽  
D. Davoult ◽  
M.A. Janquin ◽  
A. Kupka
Keyword(s):  
Organic Carbon ◽  
Nitrogen Content ◽  
Dry Weight ◽  
Sea Anemones ◽  
Carbon And Nitrogen ◽  
Rapid Measurement ◽  
Constant Size ◽  
Linear Relationships ◽  
Carbon And Nitrogen Content ◽  
Biometrical Study

A biometrical study was conducted on two common cnidarians: Alcyonium digitatum (Octocorallia) and Urticina felina (Hexacorallia). The aim was to relate both the carbon and the nitrogen content of these species to a simple and rapid measurement. As the simplest measurement that can be done on A. digitatum is a measurement of size, relationships were determined between the height of a colony and its organic carbon (OC=0.0002 H2.0254, n=104, γ2=0·923) and nitrogen (N=0.00004 H2.0283, n=104, γ2=0.928) content. As no constant size could be determined on sea anemones, linear relationships were established between dry weight (DW) and organic carbon (OC=0.419 DW, n=65, r=0.995) and nitrogen (N=0.095 DW, n=65, r=0.997) content in U. felina. All these relationships were highly significant (P<0.1%) and appeared useful to express biomass of the two species in terms of carbon or nitrogen and then to consider dynamic processes such as respiration or excretion as fluxes of carbon and nitrogen.

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