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T. Alexander

0009-0000-5712-888X

Publications (5)

Salinity-Mediated Structuring and Marine–Estuarine Connectivity of Penaeid Shrimp Assemblages in Ashtamudi Wetland, India

T. Alexander · Asian Journal of Environment & Ecology · 2026

Salinity gradients play a critical role in structuring penaeid shrimp assemblages in tropical estuaries. The present study aimed to evaluate salinity-driven spatial segregation, diversity structure, and marine-estuarine connectivity of penaeid shrimps in Ashtamudi Lake, a Ramsar-...

Open access Research Article 10.9734/ajee/2026/v25i2892

Spatio-Temporal Soil Quality Dynamics of Ashtamudi: A Tropical Ramsar Wetland, India

T. Alexander · Journal of Geography, Environment and Earth Science International · 2026

This study presents a spatio-temporal assessment of soil nutrient dynamics across five representative ecosites of Ashtamudi Lake, a tropical Ramsar-designated estuarine wetland on the southwest coast of India. Seasonal soil sampling was conducted during pre-monsoon, monsoon, and...

Open access Research Article 10.9734/jgeesi/2026/v30i21023

Pollen Morphology as a Diagnostic Tool for Delimitation of Curcuma decipiens and Curcuma inodora: Two Allied Endemic Species from Peninsular India

T. Alexander · International Journal of Plant & Soil Science · 2026

The genus Curcuma comprises numerous morphologically allied species whose delimitation is frequently complicated by overlapping vegetative characters and intraspecific variability. Among these, Curcuma decipiens and Curcuma inodora have long posed taxonomic challenges owing to pa...

Open access Research Article 10.9734/ijpss/2026/v38i15955

From Highlands to Wetlands: A Longitudinal Transformation of Water Quality in the Pamba River, Southwest India

T. Alexander · International Journal of Environment and Climate Change · 2026

The Pamba River is a major west-flowing river of Kerala that supports domestic water supply, agriculture, fisheries, pilgrimage activities, and wetland ecosystems. The present study assesses the spatial variation in physicochemical water quality along two hydrologically contrasti...

Open access Research Article 10.9734/ijecc/2026/v16i15224

Ecological Distribution and Trophic Dynamics of Carnivorous Fishes across Salinity Gradient in Ashtamudi Lake, Southwest India

T. Alexander · Asian Journal of Fisheries and Aquatic Research · 2025

Ashtamudi Lake is a Ramsar-designated protected estuarine ecosystem where salinity levels strongly influence which species live in different areas. This study investigated the distribution and feeding ecology of 20 carnivorous fish species out of 97 total fish species found acros...

Open access Research Article 10.9734/ajfar/2025/v27i121046