Edaphic components of Mangrove Dominated Lothian And Prentice Island In Sundarbans North -East Coast of India.

Physico-chcmical analysis of mangrove soils in two islands (Prentice and Lothian) in sundarban areas were carried out and compared to highlight the quality of the soils that facilitate the existence as well as survival various flora and fauna to play immense role in the stability of the environment. Study revealed that there were slight differences in the grain size, pH, organic carbon and exchangeable calcium (Ca12) and magnesium (Mg12) content in soils of these two islands. The litter of the mangrove forest might. play vital role not only on the variation of carbon to nitrogen ratio (C/N) and carbon to phosphorous ratio (C/P) but also retention ability of these essential nutritional elements in soils. Ca+2 and Mg+2 were the principal cations as observed in exchange reactions. Potassiun ion (K+) recorded comparatively higher values than the sodium ion (Na+) in these soils probably due to more amnily for K+ uptake in the existing biotic community as well as trapping capacity by edaphic components in these areas.

Distribution and relative abundance of dominant benthic foraminifera and their palaeoecological significance from beach cores sediment in Kerala coast, India

The study on 365 sediment subsamples have been analyzed for benthic foraminifera from beach cores sediment in Kerala coast, India. The recent benthic foraminiferal faunal record that reveals the paleoecological preferences of the different benthic foraminiferal species are reported in this study. A total of 38 species belonging to 22 genera were identified from the study. For benthic foraminiferal faunal study, dry samples were sieved over 125 μm-size sieve and split into suitable aliquots to obtain ~250 specimens of benthic foraminiferal species identified and counted. The recent benthic foraminiferal faunal record assemblages were dominated by species are Ammonia beccarii followed by Ammonia gaimardii, Cancris oblongus, Discopulvinulina bertheloti, Gyroidinoides nitidula, Gyroidinoides cibaoensis and Quinqueloculina seminulum etc. The most dominant genus like Ammonia was recorded in all the samples from the study. Benthic foraminiferal species are utilized for biostratigraphy for several years and have also been confirmed very constructive in paleoceanographic and paleoclimatological modernization. This study, benthic foraminifera the major contributor to the marine biotic community is largely employed as an important tool for paleoclimatic reconstruction for high fossilization potential and a wide range of geographical distribution.

Material Overconsumption as Ecological Polemics in Allen Ginsberg’s “Plutonian Ode” and Gary Snyder’s “Smokey the Bear Sutra”: Re-Envisioning Beat Critiques of Anthropocentric Materialism

Beat poetry, since its origination in the American milieu in the 1950s until its further maturation in the late 1960s and 1970s, has embodied ecological visions. Allen Ginsberg’s and Gary Snyder’s Buddhist poetics of the emptiness of material phenomena evoke one’s awareness ofthe true nature of material goods. This ecological awarenessenlightensanyoneto not overconsume the goods in fulfilling his/her daily necessities. In this recent era, Ginsberg’s “Plutonian Ode” and Snyder’s “Smokey the Bear Sutra” memorialize this Beat green poetics against anthropocentric materialism and its potential detrimental impacts on the natural environment. These poems view human’s material attachment as a recurring melancholia even in today’s digital technology era. Their ecological criticisms through the Buddhist poetics pave the way for anyone to cherish rather than objectify any material thing in living the biotic community.

Synthesising the multiple impacts of climatic variability on community responses to climate change

Recent developments in understanding and predicting species responses to climate change have emphasised the importance of both environmental variability and consideration of the wider biotic community. To date, the interaction between the two has received less attention. However, considerable bodies of theory and empirical results suggest that multi-species consequences of variability can have strong impacts on range limits and the speed of range shifts. Here we demonstrate how biotic interactions and temporal variability can act together to influence range shift dynamics and highlight the need to understand these interactions in order to predict how species will respond to global change. We emphasise the value and utility of partitioning approaches applied to parameterised models to determine the direction and relative importance and direct of these forces in empirical systems.AuthorshipJCDT wrote the manuscript and built the models. All authors contributed significantly to the editing and manuscript development.FundingThe work was supported by NERC grant NE/T003510/1Data Sharing and Data AccessibilityCode to generate all results is publicly available at https://github.com/jcdterry/ClimateVar_BioticInts and should the manuscript be accepted will be permanently archived. The paper contains no new datasets.

Bat species composition associated with restinga lagoons from the Paulo César Vinha State Park, Espírito Santo, Brazil

Restingas are coastal ecosystems associated with the Atlantic Forest. They are threatened by habitat degradation and forest fragmentation due to intense human occupation. Many restingas have coastal lagoons formed by bay sedimentation of bays, the presence of river estuaries, or emerging groundwater. The distance between lagoons and the ocean influences the biotic community in them. This study aimed to compare the diversity (composition, abundance and richness) of bat communities associated with three lagoons within the Paulo Cesar Vinha State Park, Espírito Santo state. Two lagoons (‘Feia’ and ‘Vermelha’ lagoons) are 2 km away from the ocean, while the third (‘Caraís’ lagoon) is just a few meters distant from the ocean. Species composition did not differ among the lagoons. Abundance of Carollia perspicillata and Glossophaga soricina was higher in the ‘Caraís’ lagoon. Abundance of Artibeus lituratus and Platyrrhinus lineatus was higher in the ‘Vermelha’ lagoon. Species with higher abundance in the ‘Vermelha’ are usually associated with urban and disturbed environments. ‘Vermelha’ lagoon is closer to human settlements and this could be a major driver of bat species abundance associated with this lagoon instead of distance from the ocean. These results may be used to guide conservations efforts in the restingas or habitats associated with restingas.