Results 41 to 50 of about 282,760 (304)

Variación espacial en número de especies, abundancia y diversidad de peces en las Bahías de Huatulco, Oaxaca, México

open access: yes, 2017
Los peces arrecifales estan adaptados a diferentes caracteristicas de su habitat, por lo tanto, las diferencias en composicion y estructura pueden ser resultado de factores intrinsecos de cada sistema.
L. G. Juárez-Hernández   +1 more
semanticscholar   +1 more source

Efecto del herbicida sulfentrazone 50 SC, en dos concentraciones, solo y en mezcla con clomazone 36 CS, para el control de malezas en el cultivo del arroz, Sébaco, época lluviosa, 2016

open access: yesLa Calera, 2018
Se realizó un experimento en la época seca de 2016 en la fi nca Yerba Buena, ubicada en el valle de Sébaco, comunidad La Majadita, San Isidro, Matagalpa, Nicaragua.
José Manuel Laguna Dávila   +1 more
doaj   +1 more source

DIVERSIDAD, ABUNDANCIA Y AMENAZAS DE LOS OCTOCORALES DE LA ISLA MALPELO, PACÍFICO ORIENTAL TROPICAL, COLOMBIA

open access: yes, 2016
RESUMEN Durante expediciones a la isla Malpelo en 2009 y 2010, se exploro la diversidad, abundancia y estado de los octocorales. Se encontraron siete especies de octocorales: Leptogorgia alba, Pacifigorgia cf.
J. Sánchez   +3 more
semanticscholar   +1 more source

Abundancia

open access: yesCultura de Paz, 2017
La expresión del arte moderno en Nicaragua En las pinturas de José Javier Sánchez se siente la voluntad firme de expresar sus orígenes ancestrales americanos; el rechazo a las soluciones estéticas occidentales que conoció y estudió en sus viajes y estadías por América y especialmente Europa.Los cambios en su obra, esta última década, han sido más ...
openaire   +2 more sources

Some factors affecting the distribution and apparent abundance of yellowfin and skipjack tuna in the Eastern Pacific Ocean [PDF]

open access: yes, 1964
ENGLISH: Since 1951, the Inter-American Tropical Tuna Commission has been investigating the biology, ecology and population dynamics of the yellowfin tuna, Thunnus albacares, and the skipjack tuna, Katsuwonus pelamis, in the Eastern Pacific Ocean.
Barrett, Izadore, Broadhead, Gordon C.
core  

Temporal dynamics in functional fruit traits of native and invasive fleshy fruited plants in subtropical Andean forests

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Fruits encompass the energetic and material flow between both interacting parties in frugivore‐mediated seed dispersal. Since fruit traits matter in frugivores' foraging decisions, the temporal dynamics of fruit traits might influence interaction outcomes.
Irene M. A. Bender   +3 more
wiley   +1 more source

A study of changes in fishing effort, abundance, and yield for yellowfin and skipjack tuna in the Eastern Tropical Pacific Ocean [PDF]

open access: yes, 1956
ENGLISH: The rapid growth of the Eastern Pacific fishery for yellowfin and skipjack tuna since the end of World War II has given rise to questions concerning the rational utilization of these resources.
Schaefer, Milner B., Shimada, Bell M.
core  

Community‐level effects of Müllerian mimicry on pollinator diversity and functioning

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Müllerian mimicry, a mutualistic interaction in which harmful species evolve similar warning signals, is often accompanied by niche divergence among mimetic species. While these aspects have traditionally been studied in an evolutionary context, their community‐level ...
Paola Laiolo, José Ramón Obeso
wiley   +1 more source

Marxismo, autopropiedad y abundancia

open access: yesCrítica (México D. F. En línea), 2013
G.A. Cohen y John Rawls atribuyen a Karl Marx haberse adherido al principio libertarista de autopropiedad y una plena confianza en la abundancia ilimitada como solución a los defectos distributivos del socialismo. Asimismo, consideran que el comunismo marxiano está, en cierto sentido, más allá de la justicia.
openaire   +4 more sources

Estimation of the abundance of yellowfin tuna, Thunnus albacares, by age groups and regions within the Eastern Pacific Ocean [PDF]

open access: yes, 1991
ENGLISH: Monthly estimates of the abundance of yellowfin tuna by age groups and regions within the eastern Pacific Ocean during 1970-1988 are made, using purse-seine catch rates, length-frequency samples, and results from cohort analysis.
Deriso, Richard B., Punsly, Richard G.
core  

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