Results 261 to 270 of about 71,131 (301)

Sexual Differences for Emigration Behavior in Natural Populations of Drosophila melanogaster

Behavior Genetics, 2002
Evolutionary biology considers migration behavior as central in genetic structure of populations and speciation. Here we report on emigration patterns in Drosophila melanogaster behavior under laboratory conditions. For this study, a special apparatus was employed that includes a few important changes in its design and size compared with other known ...
Konstantin G, Iliadi, Natalia N, Iliadi, Eugenia L, Rashkovetsky, Svetlana V, Girin, Eviatar, Nevo, Abraham B, Korol   +5 more
openaire   +2 more sources

The emigration of adult children and smoking behaviors of parents

China Agricultural Economic Review, 2019
PurposeThe purpose of this paper is to examine the impact of adult children’s migration on the smoking behavior of rural parents who are left behind and raise the concern that the rural residents’ increasing tendency to migrate to urban areas in China nowadays could encourage such a behavior.Design/methodology/approachUsing data from the China Health ...
Tianyuan Luo, Cesar Escalante
openaire   +1 more source

The gender-specific examination of migration decision-making and remittance behavior among Latvian emigrants

Journal of Baltic Studies, 2021
This article stems from a gender-specific examination of migration decision-making and remittance behavior as a proxy for the creation of gendered transnational spaces when faced with macro-economi...
Guido Sechi, Zaiga Krišjāne, Māris Bērziņš, Elīna Apsīte-Beriņa   +3 more
openaire   +1 more source

Emigration response behavior: III. Genetic variability in a natural population ofDrosophila busckii

Behavior Genetics, 1986
Eight isofemale lines ofDrosophila busckii were tested for emigration response behavior, using a modification of the Sakai system which permitted an analysis of two environmental variables, height and light. There was significant variation in the behavior of the isofemale lines in the four environmental configurations. Although there was no main effect
R F, Rockwell, L, Levine
openaire   +2 more sources

Emigration Behavior of Spotted Salamanders on Golf Courses in Southern Rhode Island

Journal of Herpetology, 2006
Abstract Few studies have investigated the emigration behavior of adult ambystomatid salamanders in fragmented landscapes. We assessed the emigration behavior of 30 Spotted Salamanders (Ambystoma maculatum) by implanting transmitters in 2003. Study sites, all in southern Rhode Island, included an active golf course, a golf course under construction ...
Montieth, Katherine E., Paton, Peter W.C.   +1 more
openaire   +2 more sources

Interactive effects of temperature and geography on emigration behavior ofDrosophila melanogaster: Climatic and island factors

Behavior Genetics, 1983
These studies were desgned to detect geographic variation in emigration behavior, at various temperatures, of newly collected wild strains ofDrosophila melanogaster. Natural populations from various geographic regions showed three basic emigration response patterns to temperature: linear, threshold, and optimum-temperature response types.
K, Mikasa, T, Narise
openaire   +2 more sources

The Emigration of Pro-social Behaviors: A Comparative Analysis of Colombian and US Latter-day Saints

VOLUNTAS: International Journal of Voluntary and Nonprofit Organizations, 2020
Scholars have studied the differences in pro-social behaviors among countries for over 50 years. Religious participation in the USA is one of the factors that lead to comparatively higher rates of giving and volunteering. The Church of Jesus Christ of Latter-day Saints is known for the highest rates of pro-social behaviors in the USA, but do members of
H. Daniel Heist, Ram A. Cnaan, Anne Stefanie Ruiz Sportmann, Van C. Evans   +3 more
openaire   +1 more source

Aggressive Behavior in Juvenile Coho Salmon as a Cause of Emigration

Journal of the Fisheries Research Board of Canada, 1962
Large numbers of coho fry (called nomads) move downstream from shortly after emergence through early fall. These fry are smaller than residual coho. Study of behavior showed coho to be aggressive and territorial or hierarchical. Nomadic coho placed in stream aquaria barren of resident fish tended to remain in the aquaria rather than continuing ...
openaire   +1 more source

Animal Behavior as a Strategy Optimizer: Evolution of Resource Assessment Strategies and Optimal Emigration Thresholds

The American Naturalist, 1976
Models are proposed which examine emigration thresholds from resource patches encountered within a given search strategy. With one patch type and no competition during utilization, there is a single optimal investment duration (Iopt) which depends on the gain accumulated during investment in the patch, G(I), and on the mean search cost between patches.
G. A. Parker, R. A. Stuart
openaire   +1 more source

Some behavioral aspects and proximate causes associated with emigration of young female Misaki feral horses

Italian Journal of Zoology, 2010
An investigation was carried out on 28 Misaki young female feral horses living in Misaki Island, Japan to explore the behavioral patterns, and proximate causes of emigration of these females when they left their natal band or mothers. All young females emigrated between 1 and 4 years of age.
A. M. Khalil, N. Murakami, K. Nakahara, M. Tokuriki   +3 more
openaire   +1 more source