Effects of Prior Residence and Previous Cohabitation on the Polistes dominulus Christ Dominance Hierarchy

Ethology ◽  
2010 ◽  
Vol 90 (1) ◽  
pp. 72-80 ◽  
Author(s):  
Michel Pratte ◽  
Jacques Gervet
Keyword(s):  
Dominance Hierarchy ◽  
Polistes Dominulus ◽  
Prior Residence

Social Regulation of Foraging Activities in Polistes Dominulus Christ: a Systemic Approach To Behavioural Organization

Behaviour ◽  
1991 ◽  
Vol 116 (3-4) ◽  
pp. 292-320 ◽  
Author(s):  
Jacques Gervet ◽  
Guy Theraulaz ◽  
Sophie Semenoff Tian-Chanski
Keyword(s):  
Dominance Hierarchy ◽  
The Other ◽  
Social Regulation ◽  
Specific Task ◽  
Polistes Dominulus ◽  
Weekly Basis ◽  
Behavioural State ◽  
Behavioural Profile ◽  
The Individual ◽  
The Relationship

AbstractWe studied the processes involved in the reorganization of individual behavioural profiles when the foragers were repeatedly removed on a weekly basis. Neither the age nor the hierarchical rank of the individual directly determined the development of its behavioural profile towards that of a forager profile after removal of the former foragers. However, the closeness of the relationship with the brood seems to have been decisive in the adopting of a new task by the individual. We suggest a model for the functioning of the Polistes society and its organizational genesis which involves two levels of regulation acting simultaneously. The dominance hierarchy results in a primary differentiation of behavioural states among the various members of the society. Each individual reacts preferentially according to its own behavioural state to specific categories of environmental stimulations. The type of action which it exerts on the environment both determines its momentary specialization in a specific task and modifies the stimulating situation, which then has lesser effects on the other individuals in the colony. These two processes act in parallel on all the individuals and contribute to maintaining a society with a stable, self-regulated organization. Task organization in the group can therefore be said to be a distributed function which does not require the presence of an individual central organizer.

Variation in the wheat intake of individual sheep measured by use of labelled grain: behavioural influences

1981 ◽  
Vol 21 (111) ◽  
pp. 395 ◽  
Author(s):  
E Juwarini ◽  
B Howard ◽  
BD Siebert ◽  
JJ Lynch ◽  
RL Elwin
Keyword(s):  
Dominance Hierarchy ◽  
Tritiated Water ◽  
Supplementary Feeding ◽  
Previous Experience ◽  
Feed Consumption ◽  
Wheat Grain ◽  
Accurate Calculation ◽  
Early Introduction

A preliminary experiment with sheep in pens demonstrated that wheat grain could be labelled with tritiated water so that when fed it could provide data that would allow accurate calculation of individual feed consumption. This techinque was used with two groups of sheep fed supplementary wheat grain in paddocks. Half of the animals had previous experience of grain feeding some eight months earlier and the others had not eaten grain. Individual diversity of intake could be estimated usefully by tritium labelling of wheat, which was fed to the sheep in a group. The experiment showed that there was a threefold difference in the amount of wheat eaten between the lowest and highest intakes. Further, animals with previous experience of grain feeding consumed the entire ration initially, but those without previous experience did not consume all of the ration until two weeks after wheat feeding began. Over the period of measurement the experienced sheep consumed about 13% more wheat than the non-experienced group. There were insufficient aggressive acts to establish a dominance hierarchy in either group, although the experienced sheep were more aggressive than the others. Aggressiveness by one sheep towards other sheep did not result in higher wheat intakes by the former compared with other sheep in the group. The results are discussed in terms of the variability in acceptance of such supplements by animals, and of the value, later in life, of early introduction of supplementary feeding.

scholarly journals Non-random associations in group housed rats (Rattus norvegicus)

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Leanne Proops ◽  
Camille A. Troisi ◽  
Tanja K. Kleinhappel ◽  
Teresa Romero
Keyword(s):  
Network Analysis ◽  
Empirical Evidence ◽  
Rattus Norvegicus ◽  
Dominance Hierarchy ◽  
Group Living ◽  
Ecological Factors ◽  
Limited Evidence ◽  
Rat Strains ◽  
Social Species ◽  
Over Time

AbstractEcological factors, such as predation, have traditionally been used to explain sociability. However, it is increasingly recognised that individuals within a group do not associate randomly, and that these non-random associations can generate fitness advantages. The majority of the empirical evidence on differentiated associations in group-living mammals, however, comes from a limited number of taxa and we still know very little about their occurrence and characteristics in some highly social species, such as rats (Rattus spp.). Here, using network analysis, we quantified association patterns in four groups of male fancy rats. We found that the associations between rats were not randomly distributed and that most individuals had significantly more preferred/avoided associates than expected by random. We also found that these preferences can be stable over time, and that they were not influenced by individuals’ rank position in the dominance hierarchy. Our findings are consistent with work in other mammals, but contrast with the limited evidence available for other rat strains. While further studies in groups with different demographic composition are warranted to confirm our findings, the occurrence of differentiated associations in all male groups of rats have important implications for the management and welfare of captive rat populations.

scholarly journals Allelic Genealogies in Sporophytic Self-Incompatibility Systems in Plants

Genetics ◽  
1998 ◽  
Vol 150 (3) ◽  
pp. 1187-1198 ◽  
Author(s):  
Mikkel H Schierup ◽  
Xavier Vekemans ◽  
Freddy B Christiansen
Keyword(s):  
Dominance Hierarchy ◽  
Common Ancestor ◽  
Recent Common Ancestor ◽  
Self Incompatibility ◽  
Most Recent Common Ancestor ◽  
Dominance Interactions ◽  
Turnover Process ◽  
Neutral Gene ◽  
Interspecific Comparisons ◽  
Coalescence Times

Abstract Expectations for the time scale and structure of allelic genealogies in finite populations are formed under three models of sporophytic self-incompatibility. The models differ in the dominance interactions among the alleles that determine the self-incompatibility phenotype: In the SSIcod model, alleles act codominantly in both pollen and style, in the SSIdom model, alleles form a dominance hierarchy, and in SSIdomcod, alleles are codominant in the style and show a dominance hierarchy in the pollen. Coalescence times of alleles rarely differ more than threefold from those under gametophytic self-incompatibility, and transspecific polymorphism is therefore expected to be equally common. The previously reported directional turnover process of alleles in the SSIdomcod model results in coalescence times lower and substitution rates higher than those in the other models. The SSIdom model assumes strong asymmetries in allelic action, and the most recessive extant allele is likely to be the most recent common ancestor. Despite these asymmetries, the expected shape of the allele genealogies does not deviate markedly from the shape of a neutral gene genealogy. The application of the results to sequence surveys of alleles, including interspecific comparisons, is discussed.

Soluble proteins of chemical communication in the social wasp Polistes dominulus

2003 ◽  
Vol 60 (9) ◽  
pp. 1933-1943 ◽  
Author(s):  
M. Calvello ◽  
N. Guerra ◽  
A. Brandazza ◽  
C. D'Ambrosio ◽  
A. Scaloni ◽  
...  
Keyword(s):  
Chemical Communication ◽  
Social Wasp ◽  
Soluble Proteins ◽  
Polistes Dominulus ◽  
The Social

Ranking journals using the dominance hierarchy procedure: an illustration with IS journals

2014 ◽  
Vol 102 (1) ◽  
pp. 5-23 ◽  
Author(s):  
Kishen Iyengar ◽  
Venugopal Balijepally
Keyword(s):  
Dominance Hierarchy

scholarly journals Homology-Based Interactions between Small RNAs and Their Targets Control Dominance Hierarchy of Male Determinant Alleles of Self-Incompatibility in Arabidopsis lyrata

2021 ◽  
Vol 22 (13) ◽  
pp. 6990
Author(s):  
Shinsuke Yasuda ◽  
Risa Kobayashi ◽  
Toshiro Ito ◽  
Yuko Wada ◽  
Seiji Takayama
Keyword(s):  
Dominance Hierarchy ◽  
Male Dominance ◽  
Self Incompatibility ◽  
Arabidopsis Halleri ◽  
Plant Family ◽  
Arabidopsis Lyrata ◽  
Multiple Networks ◽  
Target Sites ◽  
Gains And Losses ◽  
Linear Dominance Hierarchy

Self-incompatibility (SI) is conserved among members of the Brassicaceae plant family. This trait is controlled epigenetically by the dominance hierarchy of the male determinant alleles. We previously demonstrated that a single small RNA (sRNA) gene is sufficient to control the linear dominance hierarchy in Brassica rapa and proposed a model in which a homology-based interaction between sRNAs and target sites controls the complicated dominance hierarchy of male SI determinants. In Arabidopsis halleri, male dominance hierarchy is reported to have arisen from multiple networks of sRNA target gains and losses. Despite these findings, it remains unknown whether the molecular mechanism underlying the dominance hierarchy is conserved among Brassicaceae. Here, we identified sRNAs and their target sites that can explain the linear dominance hierarchy of Arabidopsis lyrata, a species closely related to A. halleri. We tested the model that we established in Brassica to explain the linear dominance hierarchy in A. lyrata. Our results suggest that the dominance hierarchy of A. lyrata is also controlled by a homology-based interaction between sRNAs and their targets.

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