Results 101 to 110 of about 14,761 (221)

Convergent recombination suppression suggests role of sexual selection in guppy sex chromosome formation. [PDF]

, 2017
Sex chromosomes evolve once recombination is halted between a homologous pair of chromosomes. The dominant model of sex chromosome evolution posits that recombination is suppressed between emerging X and Y chromosomes in order to resolve sexual conflict.
A Kortrschal, A Lindholm, A Loytynoja, A McKenna, A Rimmer, AE Houde, AE Houde, AE Wright, AE Wright, AE Wright, AE Wright, AP Lisachov, AR Quinlan, B Charlesworth, B Langmead, B Sandkam, B Vicoso, B Vicoso, B Vicoso, B Vicoso, BA Fraser, BJA Pollux, C Dufresnes, D Bachtrog, D Bachtrog, D Bachtrog, D Kim, DJ Kemp, DR Kelley, E Axelsson, E Eden, E Eden, E Paradis, G Lunter, H Li, H Li, H Skaletsky, H Skaletsky, I Nanda, J Haldane, J Hough, J Kitano, JA Endler, JA Endler, JA Endler, JA Endler, JE Mank, JE Mank, JE Mank, JE Mank, JE Mank, JP Masly, JRW Russell, K Reichwald, KP Arunkumar, M Lohse, M Pertea, M Stock, M White, M Winge, MD Robinson, MD Robinson, N Tripathi, P Flicek, PW Harrison, Q Zhou, R Bergero, R Chikhi, RA Fisher, RB Luo, RH Devlin, RP Meisel, RP Meisel, RW Meredith, S Anders, SF Altschul, SP Gordon, SP Gordon, T Jombart, T Kamiya, T Lenormand, W Traut, WR Rice, ZH Yang, ZY Liu   +84 more
core   +4 more sources

Feeding association between benthic and nektonic Neotropical stream fishes

Neotropical Ichthyology
Following behaviour among Neotropical stream fishes have been scarcely reported. This type of feeding association was observed in a small stream in the upper rio Paraná system between the catfish, Aspidoras fuscoguttatus, acting as a nuclear species, and
Fabrício Barreto Teresa, Fernando Rogério Carvalho   +1 more
doaj   +1 more source

Female brain size affects the assessment of male attractiveness during mate choice [PDF]

, 2017
Mate choice decisions are central in sexual selection theory aimed to understand how sexual traits evolve and their role in evolutionary diversification.
Bloch, NI, Buechel, SD, Corral-López, A, Kolm, N, Kotrschal, A, Mank, JE, van der Bijl, W   +6 more
core   +1 more source

Acute toxicity of carbofuran to selected species of aquatic and terrestrial organisms

Plant Protection Science, 2003
Carbofuran is an anticholinesterase carbamate commonly used as an insecticide, nematicide and acaricide in agricultural practice throughout the world. The aim of the study was to investigate the acute toxicity of carbofuran to selected species of aquatic
Radka Dobšíková
doaj   +1 more source

Colorful invasion in permissive Neotropical ecosystems: establishment of ornamental non-native poeciliids of the genera Poecilia/Xiphophorus (Cyprinodontiformes: Poeciliidae) and management alternatives

Neotropical Ichthyology, 2017
Headwater creeks are environments susceptible to invasion by non-native fishes. We evaluated the reproduction of 22 populations of the non-native livebearers guppy Poecilia reticulata, black molly Poecilia sphenops, Yucatan molly Poecilia velifera, green
André Lincoln Barroso Magalhães, Claudia Maria Jacobi   +1 more
doaj   +1 more source

Fecundidad,fertilidad e índice gonadosomático de Poecilia reticulata (Pisces:Poeciliidae)en Heredia,Costa Rica

Revista de Biología Tropical, 2004
Entre setiembre y noviembre de 1998 se determinó la fecundidad,fertilidad e índice gonadosomático de Poecilia reticulata (Peters 1859),a partir de especímenes recolectados en un estanque en Santo Domingo de Heredia,Costa Rica.Las hembras presentaron una ...
Mario Urriola Hernández, Jorge Cabrera Peña, Maurizio Protti Quesada   +2 more
doaj  

Pseudobrânquia do guaru Poecilia reticulata (Peter, 1859): análise estrutural, morfométrica e histoquímica para detecção de glicoconjugados

Pesquisa Veterinária Brasileira, 2013
A morfologia, os parâmetros citomorfométricos e os glicoconjugados presentes na pseudobrânquia de guaru, Poecilia reticulata Peter, 1859 (Cyprinodontiformes: Poeciliidae), foram investigados por microscopia de luz acoplada ao sistema de captura e análise
Thiago L. Rocha, Ana P.R. Santos, Simone M.T. Sabóia-Morais   +2 more
doaj   +1 more source

Eficacia del control de larvas de vectores de la malaria con peces larvívoros nativos en San Martín, Perú

Revista Peruana de Medicina Experimental y Salud Pública, 2004
Objetivo: Determinar la eficacia del control larvario de vectores de la malaria con peces larvívoros nativos en San Martín, Perú. Material y métodos: Estudio experimental que se llevó a cabo en las localidades de Yumbatos, Alianza y San Juan de Shanusi ...
Elmer Rojas P, Mario Gamboa B, Segundo Villalobos R, Francisco Cruzado V   +3 more
doaj