Centre for Ecological Sciences (CES): Recent submissions
Now showing items 81-88 of 88
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Spatial Variation In Interactions Of The Semi-Myrmecophyte Humboldtia Brunonis (Fabaceae) With Ants And Other Invertebrates
(2010-06-01)Despite a long history of investigations on protective ant-plant interactions, since the late 19century (Thomas Belt 1874), a comprehensive quantitative understanding of the adaptations that facilitate these associations ... -
Tree Diameter Growth : Variations And Demographic Niches In A Tropical Dry Forest Of Southern India
(2009-08-03)Tree growth influences forest community dynamics and responses to environmental variations, but currently is not well understood. Tree growth in highly diverse wet tropical forests have been well studied and characterised ... -
Sensory Ecology Of Acoustic Communication In The Tropical Bushcricket Genus Mecopoda : Mechanisms And Evolution Of Synchrony
(2009-07-10)In this thesis, I characterise five species of the bushcricket genus Mecopoda with respect to their acoustic signals and morphology and investigate the phenomenon of acoustic synchrony in one of these five species: Mecopoda ... -
The Biology Of Two Sexes : A Study Of The Primitively Eusocial Wasp Ropalidia Marginata
(2009-05-21)A striking feature of hymenopterans societies is the absence of male workers. Foraging, nest building, brood care and all other activities required for the functioning of the colony are carried out by the females. These ... -
Queens And Their Succerssors : The Story Of Power In The Primitively Eusocial Wasp Ropalidia Marginata
(2009-04-30)Ropalidia marginata is characterized as a primitively eusocial wasp due to the absence of morphological differentiation between the queen and worker castes. Unlike other primitively eusocial wasps, however, the queen in ... -
Resource, Use, Culture And Ecological Change: A Case Study Of The Nilgiri Hills Of Southern India
(Indian Institute of Science, 2005-09-01)Over the last two decades, there have been increasing concerns about environmental degradation and its consequences on the long-term sustainability of socio-economic systems around the world. The publication of the report ... -
Colony Founding And The Evolution Of Eusociality In Primitively Eusocial Wasp, Ropalidia Marginata
(Indian Institute of Science, 2005-08-08)Many animals live in societies of varying degrees of organization. Some individuals in these societies seem to sacrifice their own fitness to increase the fitness of some others. Understanding the forces that mould the ... -
Social Organisation And Cooperation In Genetically Mixed Colonies Of The Primitively Eusocial Wasp, Ropalidia Marginata
(Indian Institute of Science, 2005-08-05)Altruism in its extreme form is seen in social insects where most individuals give up their own reproduction and work to rear the offspring of their queen. The origin and evolution of such sterile worker castes remains a ...