Results 11 to 20 of about 184,978 (350)

On the fecundation of the Fucaceæ [PDF]

open access: greenAnnals and Magazine of Natural History
(1853). On the fecundation of the Fucaceae. Annals and Magazine of Natural History: Vol. 12, No. 67, pp. 64-66.
M. Gustave Thuret
openaire   +4 more sources

FECUNDITY AND SPECIATION IN LAMPREYS [PDF]

open access: bronzeEvolution, 1963
With the exception of Petromyzon and Caspiomyzon, the various genera of holarctic lampreys each consists of several species, some of which are parasitic and others nonparasitic. In the latter, the socalled brook lampreys, sexual maturity is attained within a few months of metamorphosis, and as a result the adult feeding and migratory phase has been ...
M. W. Hardisty
openaire   +3 more sources

The Effect of Parental Length and Weight on Fecundity of Betta sp.

open access: yesJournal of Aquaculture Science, 2022
Betta fish is a fish that has a high economic value, Market demand always increasing. However, to get high Quality betta fish, efforts are still needed by importing from Singapore and Thailand so that a sustainable betta fish hatchery business is needed.
Arif Habib Fasya, Mufidah F
doaj   +1 more source

Fecundity of Sebastes mentella and Sebastes norvegicus in the Irminger Sea and Icelandic waters

open access: yesCiencias Marinas, 2015
Fecundity of redfish Sebastes mentella and Sebastes norvegicus in the Irminger Sea and Icelandic waters was analyzed in relation to several maternal features and oocyte developmental stages. The mean potential fecundity in S. norvegicus was estimated to
Fran Saborido-Rey   +3 more
doaj   +1 more source

Fecundity of cod (Gadus morhua callarias L.) in the Southern Baltic in the late 1990s [PDF]

open access: yesActa Ichthyologica et Piscatoria, 2001
The fecundity of cod from the southern Baltic Sea in the late 1990s was estimated from 461 pairs of ovaries at the maturity stage IV (according to Maier′s scale).
M. Kosior, K. Trella, A. Jaworski
doaj   +3 more sources

Influence of maternal effects and temperature on fecundity of Sebastes fasciatus on the Flemish Cap

open access: yesScientia Marina, 2022
The conservation of a sufficient reproductive potential of an exploited stock is one of the goals of fisheries management, as it ensures sustainable productivity.
Francisco González-Carrión   +1 more
doaj   +1 more source

Pupal and Adult Parameters as Potential Indicators of Cottonwood Leaf Beetle (Coleoptera: Chrysomelidae) Fecundity and Longevity [PDF]

open access: yes, 2018
Cottonwood leaf beetle, Chrysomela scripta, pupae from a laboratory colony were weighed and monitored through adult emergence, oviposition, and mortality to determine if correlations existed between various pupal or adult parameters and fecundity or ...
Coyle, David R   +2 more
core   +3 more sources

Fecundation [PDF]

open access: yesClinical Chemistry, 2012
n ...
openaire   +2 more sources

Effects of Aluminum Foil Mulch on Parasitism and Fecundity of Apterous \u3ci\u3eMyzus Persicae\u3c/i\u3e (Homoptera: Aphididae) [PDF]

open access: yes, 2017
Chinese cabbage plants grown in flats containing either aluminum foil mulch or no mulch cover were uniformly infested with a single apterous adult Myzus persicae (Sulzer) and exposed in a greenhouse to a free-flying population of the parasite Aphidius ...
Cranshaw, Whitney S, Zalmon, Frank G
core   +2 more sources

How effective are maternal effects at having effects? [PDF]

open access: yes, 2006
The well studied trade-off between offspring size and offspring number assumes that offspring fitness increases with increasing per-offspring investment.
Benton T.G   +5 more
core   +2 more sources

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