PhD Theses (SACON)

A strong dominance hierarchy with high linearity and steepness in females indicates high competition among the females for food. This pattern was absent in the study with a moderately wrong hierarchy, possibly due to the avoidance of competition for food. This, in term, suggests that food distribution is uniform and abundant for each individual of a small group, which is the foundation of the socio-ecological theory. Furthermore, low competition in the group allows females to form close bonds and exchange affiliative behaviors as recorded in the study. Low monopolization is depicted by low steepness values and under such a regime. subordinate females do not use grooming as currency to gain access 10 food from dominant females.

Road networks are increasing at an alarming pace worldwide, but most rapidly in developing countries like India. The drivers of road building in such countries include the need to make the benefits of development accessible to citizens in the remotest corners. However, road building in ecologically rich and sensitive regions can have severe repercussions for the wildlife in these regions. Road construction leads to destruction of habitats and physically disconnects previously contiguous landscapes. Traffic on roads directly cause wild animal mortality, cause changes in behaviour of wildlife by altering patterns of space use, and in the long-term can cause populations to diminish through either loss due to mortality, or by isolation of neighbouring populations by creating a barrier to their movement. Through this study, I aimed to understand the responses of a large mammal community to road-related disturbance through different methods, and form a basis for identifying and prioritising road stretches for mitigation of impacts on the large mammal community. The study was based in the central Indian tiger landscape which has one of the greatest potentials for long-term tiger conservation in the country, and at the same time is also facing incremental rates of road infrastructure development. The focal study species included the tiger, its co-predators and primary prey. The study is the first long-term research on the ecological impacts of roads conducted in an important tiger conservation landscape. It has direct management implications for understanding varied species responses to roads, mitigation requirements at different road types and forest protection types, and for landscape-scale prioritisation of sites for mitigating barrier and collision risk.

PhD Theses (SACON)

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