Publications & Resources
Our faculty, students and researchers work together everyday to contribute to a better world by grappling with urgent problems we are facing in India. We conduct rigorous work to produce high quality learning resources and publications to contribute to public discourse and social change. Here, we feature a sample from our work for everyone to access. You can explore featured resources, policies, and the latest publications from the University.
To explore all the work of our University, please visit our publications repository.
- Published
- Authors
Abstract
This study examines the performance of MGNREGA during the Covid-19 pandemic in eight blocks across four states of India, viz. Bihar, Karnataka, Maharashtra and Madhya Pradesh. MGNREGA functioning is analysed along the following dimensions: overall impressions of the programme among job card holding households, extent of unmet demand, wage payments, changes in programme functioning during the pandemic, and effectiveness of MGNREGA as a safety net. The blocks were chosen from a list of blocks in which Civil Society Organisations part of the NREGA Consortium are working. All blocks on this list were ranked based on their performance in MGNREGA as reflected in the Management Information System (MIS). Highest and lowest ranked blocks were chosen in each state and are referred to as high performing and low performing blocks in the study The blocks chosen were — Phulparas (Madhubani) and Chhatapur (Supaul) in Bihar, Bidar (Bidar) and Devadurga (Raichur) in Karnataka, Khalwa (Khandwa) and Ghatigaon (Gwalior) in Madhya Pradesh, and Wardha (Wardha) and Surgana (Nashik) in Maharashtra. A two stage random sampling was followed in the chosen blocks. In the first stage, five Gram Panchayats (GP) were randomly chosen in each block based on the Census 2011 list. In the second stage, 50 households were randomly selected in each GP from the MGNREGA MIS list of job card holders. The sampling method ensures representativeness of the results at the block level for all job card holding households. The survey was conducted in November-December 2021. Two reference periods were employed. The first covered the pre-Covid financial year (April 2019 to March 2020) and the second covered the Covid financial year (April 2020 to March 2021). This also includes executive summary of the report.
Download Executive Summary here (English, Kannada, Hindi).
Download Press Release here (English, Kannada, Hindi).
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Article
An arachnid’s guide to being an ant: Morphological and behavioural mimicry in ant-mimicking spiders
in Behavioral Ecology
Article
- Published
- Authors
Abstract
Batesian mimicry imposes several challenges to mimics and evokes adaptations in multiple sensory modalities. Myrmecomorphy, morphological and behavioral resemblance to ants, is seen in over 2000 arthropod species. Ant-like resemblance is observed in at least 13 spider families despite spiders having a distinct body plan compared to ants. Quantifying the extent to which spiders’ shape, size, and behavior resemble model ants will allow us to comprehend the evolutionary pressures that have facilitated myrmecomorphy. Myrmaplata plataleoides are thought to closely resemble weaver ants, Oecophylla smaragdina. In this study, we quantify the speed of movement of model, mimic, and non-mimetic jumping spiders. We use traditional and geometric morphometrics to quantify traits such as foreleg size and hindleg size, body shape between the model ant, mimic, and non-mimics. Our results suggest that while the mimics closely resemble the model ants in speed of movement, they occupy an intermediate morphological space compared to the model ants and non-mimics. Ant-mimicking spiders are better at mimicking ants’ locomotory movement than morphology and overall body shape. Some traits may compensate others, suggesting differential selection on these mimetic traits. Our study provides a framework to understand the multimodal nature of mimicry and helps discern the relative contributions of such traits that drive mimetic accuracy in ant-mimicking spiders.
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