Results 11 to 20 of about 22,839 (212)

Errors in juvenile copepod growth rate estimates are widespread: problems with the Moult Rate method [PDF]

open access: yes, 2005
The ‘Moult Rate’ (MR) method has been used widely to derive stage-specific growth rates in juvenile copepods. It is the most common field-based method. Unfortunately, the equation underlying the method is wrong and, consequently, large errors in juvenile
Peterson, WT, Hirst, AG, Rothery, P
core   +6 more sources

Does egg production represent adult female copepod growth? A call to account for body weight changes [PDF]

open access: yes, 2001
An almost universal assumption in determining growth in copepods is that, over short periods, an individual adult female's net growth is equal to the amount of material expelled as eggs.
Hirst, AG, McKinnon, AD
core   +5 more sources

DHA Accumulation in the Polar Lipids of the Euryhaline Copepod Pseudodiaptomus inopinus and Its Transfer to Red Sea Bream Pagrus major Larvae

open access: yesFrontiers in Marine Science, 2021
The euryhaline copepod Pseudodiaptomus inopinus play important roles in coastal waters as vectors of docosahexanoic (DHA) and eicosapentaenoic (EPA) acids for larval fish.
Hideaki Matsui   +9 more
doaj   +1 more source

Starvation reduces thermal limits of the widespread copepod Acartia tonsa

open access: yesEcology and Evolution, 2023
Organismal thermal limits affect a wide range of biogeographical and ecological processes. Copepods are some of the most abundant animals on the planet and play key roles in aquatic habitats.
Gaia Rueda Moreno, Matthew C. Sasaki
doaj   +1 more source

Converting copepod vital rates into units appropriate for biogeochemical models [PDF]

open access: yes, 2009
The conversion of units is one of the difficulties of model parameterisation. Conversion errors may result not only from incorrect choices of conversion factors, but also from incorrect choices of the value itself.
Carlotti, F.   +5 more
core   +1 more source

The complete mitochondrial genome of Labidocera rotunda Mori, 1929 (Copepoda: Calanoida) from Jeju Island, Korea

open access: yesMitochondrial DNA. Part B. Resources, 2022
We sequenced the complete mitochondrial genome of the copepod Labidocera rotunda (family Pontellidae) collected from Ihotaewoo Beach in Jeju, Korea.
Jimoon Jun   +6 more
doaj   +1 more source

First record of Lernaea cyprinacea (Linnaeus, 1758) (Copepoda: Cyclopoida) on Betta splendens in Brazil

open access: yesRevista Principia, 2020
The aim of this work is to bring this first record of L. cyprinacea in B. splendens. The anchor worm, also known as L. cyprinacea is an ectoparasitic copepod that can result in the mortality of the host by causing hemorrhages, ulcerations, and secondary ...
Elton Lima Santos   +5 more
doaj   +1 more source

Mortality of marine planktonic copepods : global rates and patterns [PDF]

open access: yes, 2002
Using life history theory we make predictions of mortality rates in marine epi-pelagic copepods from field estimates of adult fecundity, development times and adult sex ratios.
Hirst, A.G.   +3 more
core   +1 more source

First report of two parasitic copepods of Pampus argenteus (Stromateidae) in west of Persian Gulf, Iran [PDF]

open access: yesIranian Journal of Animal Biosystematics, 2015
A survey on parasitic copepods was carried out on Pampus argenteus Euphrasen, 1788 in Hormozgan province. Totally, 62 specimens were caught by bottom trawl from northwest of Qeshm Island in summer 2010 and winter 2011. These were immediately frozen in on-
Maryam Khosheghbal, Jamileh Pazooki
doaj   +1 more source

Changes in gene expression, lipid class and fatty acid composition associated with diapause in the marine copepod Calanus finmarchicus from Loch Etive, Scotland. [PDF]

open access: yes, 2009
Zooplankton are the major primary consumers in pelagic ecosystems, providing the principal pathway for energy transfer from primary production to higher trophic levels. The marine copepod Calanus finmarchicus is an important component of the pelagic food
Hill, Katie A. J.
core   +2 more sources

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