Male morphotypes and alternative mating tactics in freshwater prawns of the genusMacrobrachium: a review

2018 ◽  
Vol 11 (3) ◽  
pp. 925-940 ◽  
Author(s):  
Ilan Karplus ◽  
Assaf Barki
Keyword(s):  
Alternative Mating Tactics ◽  
Mating Tactics

scholarly journals Correlates of reproductive success within alternative mating tactics of the common shrew

1996 ◽  
Vol 7 (3) ◽  
pp. 334-340 ◽  
Author(s):  
Paula Stockley ◽  
Jeremy B. Searle ◽  
David W. Macdonald ◽  
Catherine S. Jones
Keyword(s):  
Reproductive Success ◽  
Common Shrew ◽  
Alternative Mating Tactics ◽  
Mating Tactics ◽  
The Common

scholarly journals Experience does not alter alternative mating tactics in the burying beetle Nicrophorus vespilloides

2008 ◽  
Vol 20 (1) ◽  
pp. 153-159 ◽  
Author(s):  
Craig A. Walling ◽  
Clare E. Stamper ◽  
Claire L. Salisbury ◽  
Allen J. Moore
Keyword(s):  
Alternative Mating Tactics ◽  
Burying Beetle ◽  
Mating Tactics ◽  
Nicrophorus Vespilloides

Standard Examples

2020 ◽  
pp. 27-62
Author(s):  
John M. McNamara ◽  
Olof Leimar
Keyword(s):  
Game Theory ◽  
Conflict Of Interest ◽  
Coordination Games ◽  
Evolutionary Stability ◽  
Alternative Mating Tactics ◽  
Mating Tactics ◽  
Aggressive Interactions ◽  
Kin Competition ◽  
Chapter Deal ◽  
The Commons

Standard examples in biological game theory are introduced. The degree of cooperation at evolutionary stability is analysed in models that deal with situations such as the Prisoner’s Dilemma, the Tragedy of the Commons and the conflict of interest between parents over care of their common young. Several models of aggressive interactions are treated in this book. In this chapter the Hawk–Dove game, which is the simplest of these models, is analysed. Further models in the chapter deal with the situation in which individuals vary in their fighting ability and the situation in which information about the opponent is available before an individual decides whether to be aggressive. The problem of the allocation of resources to sons versus daughters has played a central role in biological game theory. This chapter introduces the basic theory, as well as a model in which the environmental temperature affects the development of the sexes differentially, so that at evolutionary stability the sex of offspring is determined by this temperature. Coordination games, alternative mating tactics, dispersal to avoid kin competition, and the idea that signals can evolve from cues are also introduced.

Diving behaviour during the breeding season in the terrestrially breeding male grey seal: implications for alternative mating tactics

2003 ◽  
Vol 81 (6) ◽  
pp. 1025-1033 ◽  
Author(s):  
Damian C Lidgard ◽  
Daryl J Boness ◽  
W Don Bowen ◽  
Jim I McMillan
Keyword(s):  
Nova Scotia ◽  
Reproductive Success ◽  
Breeding Season ◽  
Foraging Behaviour ◽  
Diving Behaviour ◽  
Halichoerus Grypus ◽  
Phenotypic Traits ◽  
Alternative Mating Tactics ◽  
Grey Seal ◽  
Mating Tactics

We examined the diving behaviour of breeding male grey seals (Halichoerus grypus) at Sable Island, Nova Scotia, from 1997 to 2001. The proportion of time spent at sea varied between 0 and 78% (N = 30). Males engaged in deep (43.4 ± 3.3 m (mean ± SE), N = 27) diving, and these dives were clustered into bouts, which mostly occurred during long trips (62.2 ± 14.7 h). We suggest that males spent time foraging during deep dives. Shallow diving (5.9 ± 0.1 m, N = 27) accounted for 40.8% of dives, which were also clustered into bouts that mostly occurred during short trips (2.1 ± 0.37 h). We suggest that shallow diving comprised a suite of behaviours, but included little foraging behaviour. Phenotypic traits had little influence on diving behaviour. Further work is required to understand the extent to which foraging behaviour enhances reproductive success, and whether shallow diving is a component of the mating tactics of male grey seals at Sable Island.

Influence of alternative mating tactics on predation risk in the damselfly Calopteryx virgo

2009 ◽  
Vol 87 (8) ◽  
pp. 684-688 ◽  
Author(s):  
Tero Toivanen ◽  
Markus J. Rantala ◽  
Jukka Suhonen
Keyword(s):  
Predation Risk ◽  
Mating Behaviour ◽  
Survival Rates ◽  
Habitat Type ◽  
Spatiotemporal Patterns ◽  
Territorial Male ◽  
Alternative Mating Tactics ◽  
Mating Tactics ◽  
Avian Predators ◽  
Large Populations

Alternative mating tactics are a widespread feature in insects. A typical form of alternative mating behaviour is being a sneaker in the vicinity of a territorial male. Such nonterritorial males have lower mating success, but they may benefit from lower energetic costs and decreased predation risk. In this study, we examined whether nonterritorial male damselflies Calopteryx virgo (L., 1758) are subject to lower predation risk than territorial males. To distinguish predation from other sources of mortality, we used models. The experiment consisted of dried male damselflies settled into the typical perching positions of territorial and nonterritorial males. Also the spatiotemporal patterns of predation risk were studied. The survival of nonterritorial male models was consistently higher than that of territorial male models, which can be attributed to different predation risk. Survival of the models was lower in the presence of avian predators and in large populations. Survival rates were affected by habitat type but did not change during the season. We conclude that nonterritorial male damselflies are less vulnerable to predation and that there may be a trade-off which could potentially make the fitness of sneakers equal to that of territorial males.

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