Examine the role of integrative taxonomy (molecular + morphological methods) in advancing India's biodiversity documentation efforts.

Q. Examine the role of integrative taxonomy (molecular + morphological methods) in advancing India's biodiversity documentation efforts. (15 marks, 250-350 words)

Integrative taxonomy describes species by combining classical morphology and chemistry with multi-locus DNA sequencing, rather than appearance alone. For a megadiverse country like India — where the Zoological Survey of India's annual Animal Discoveries report added a record 709 faunal species to the national database in 2025 [1] — this method has become the decisive tool for turning field collection into verified documentation.

Why morphology alone is insufficient - Cryptic diversity: the recent Western Ghats study of the script-lichen genus Allographa found that morphologically similar species are not necessarily closely related evolutionarily, exposing the error risk in physical-trait keys [2]. - Micro-organisms and lichens offer few stable characters; identification of Allographa in India long lacked molecular grounding despite the genus having 200+ species globally [2].

How integration advances documentation - Molecular confirmation stabilises records: MACS-Agharkar Research Institute, Pune (DST) described five new species — A. keralensis, A. nayakae, A. paraconsanguinea, A. persistinspersa, A. semicarbonisata — using mtSSU, nrLSU and RPB2 markers with morphological and chemical analysis, published in Mycological Progress [2]. - Baseline building: the earlier A. effusosoredica, India's first molecularly confirmed Allographa, was the 53rd such species from India and 22nd from the Western Ghats — a reference dataset later work extends [3]. - Conservation utility: lichens are bioindicators of pollution and habitat change, so accurate species-level records feed forest-health monitoring and delineation of ecologically sensitive areas in the Western Ghats [2]. - Institutional depth: DST-funded taxonomy shows fundamental biodiversity science is not confined to MoEFCC bodies [2].

Constraints Sequencing infrastructure, trained taxonomists and reference databases remain concentrated in a few institutes, leaving many taxa under-sampled.

Integrative taxonomy thus converts India's biological wealth into defensible scientific records, strengthening obligations under the Convention on Biological Diversity. Expanding DNA-barcoding facilities, open reference repositories and taxonomist training across survey institutions would make documentation both faster and conservation-ready.

(~325 words)

Sources: 1. Zoological Survey of India — Animal Discoveries reports — record 709 species added to India's faunal database in 2025 2. Five new species of Allographa discovered in the Western Ghats — DST — five new species, mtSSU/nrLSU/RPB2 markers, morphology-evolution mismatch, bioindicator role, DST/ARI institutional context 3. New Lichen species reveals ancient symbiosis in the Western Ghats — DST — A. effusosoredica as India's first molecularly confirmed Allographa; 53rd Indian and 22nd Western Ghats record