Results 101 to 110 of about 1,468 (192)

Small Size, Brooding, and Protandry in the Apodid Sea Cucumber Leptosynapta clarki

The Biological Bulletin, 1994
The apodid sea cucumber Leptosynapta clarki exhibits the three commonly associated traits of small adult size (max. length 113 mm), brooding (intraovarian = viviparity), and hermaphroditism (protandric). Juvenile L. clarki are released from the ovary at a length of 1-2 mm in the early spring (April-May) and are reproductively active as males in the ...
openaire   +4 more sources

An intriguing, new planarian species from Tasmania, with a discussion on protandry in triclad flatworms (Platyhelminthes, Tricladida)

, 2018
An account is given of an unusual new species of freshwater planarian from the Hartz Mountains in Tasmania, Australia, Romankenkius flaccidus Sluys, sp. nov.
Rink, J., Rasko, J., John E. J. Rasko, Ronald Sluys, Miquel Vila-Farré, Vila Farre, M., Jochen Rink, Sluys, R., Vila-Farré, M.   +8 more
core   +1 more source

Waratah theft in Brisbane Water National Park - an analysis of the blue paint poaching reduction program [PDF]

, 2010
The flowers of Waratahs, Telopea speciosissima (family Proteaceae) are regularly harvested illegally from natural bushland, particularly close to urban areas such as the New South Wales Central Coast.
Beckers, Doug, Offord, Catherine A.
core  

Sex-differentiated migration patterns, protandry and phenology in North European songbird populations

, 2008
Udgivelsesdato: 23 November 2007This study aims to investigate causes and mechanisms controlling protandrous migration patterns (the earlier breeding area arrival of males relative to females) and inter-sexual differences in timing of migration in ...
Tøttrup, Anders Peter, Thorup, Kasper
core   +1 more source

Protandry - hypotheses of differential timing of male and female migration in the light of year-round tracking of migratory birds

in English Migration, the directional movement of organisms, plays a significant role in the life of migratory birds, and its timing throughout the year is crucial for the fitness of the individual.
Winterová, Matylda
core   +1 more source

SELECTION OF PROMISING WALNUT GENOTYPES (Juglans regia L.) FROM INNER ANATOLIA

Acta Scientiarum Polonorum: Hortorum Cultus, 2014
Turkey is one of the most important walnut producers in the world. The aim of this study to select superior walnut genotypes among the walnut seedling populations naturally grown in Gumushacikoy district of Amasya province located in Inner Anatolia ...
Hakan Keles, Yasar Akca, Sezai Ercisli
doaj  

Preventing self-fertilization: Insights from Ziziphus species. [PDF]

Front Plant Sci, 2023
Tel-Zur N.
europepmc   +1 more source

Pump mechanism, secondary pollen presentation, psychophily and anemochory in Emilia sonchifolia (L.) DC. (Asteraceae)

Journal of BioScience and Biotechnology, 2017
Emilia sonchifolia flowers profusely during August-November. The plant produces capitulum inflorescence with only disc florets presenting nectar and pollen as rewards.
Mallikarjuna Rao Medabalimi, Jacob Solomon Raju Aluri, Venkata Ramana Kunuku   +2 more
doaj  

Sexual antagonism in sequential hermaphrodites. [PDF]

Proc Biol Sci, 2023
Hitchcock TJ, Gardner A.
europepmc   +1 more source

Introgression despite minimal hybridization: mating system modulates phenotypic associations with introgression in Clarkia. [PDF]

New Phytol
Sianta SA, Kern BR, Suri A, Brandvain Y, Moeller DA.   +4 more
europepmc   +1 more source