scholarly journals Vertical niche and elevation range size in tropical ants: Implications for climate resilience

Author(s):  
Lily Leahy ◽  
Brett R. Scheffers ◽  
Alan N. Andersen ◽  
Ben T. Hirsch ◽  
Stephen E. Williams
2019 ◽  
Vol 48 (3) ◽  
pp. 417-425
Author(s):  
Md Khayrul Alam Bhuiyan ◽  
Md Akhter Hossain ◽  
Abdul Kadir Ibne Kamal ◽  
Mohammed Kamal Hossain ◽  
Mohammed Jashimuddin ◽  
...  

A study was conducted by using 5m × 5m sized 179 quadrates following multistage random sampling method for comparative regenerating tree species, quantitative structure, diversity, similarity and climate resilience in the degraded natural forests and plantations of Cox's Bazar North and South Forest Divisions. A total of 70 regenerating tree species were recorded representing maximum (47 species) from degraded natural forests followed by 43 species from 0.5 year 39 species from 1.5 year and 29 species from 2.5 year old plantations. Quantitative structure relating to ecological dominance indicated dominance of Acacia auriculiformis, Grewia nervosa and Lithocarpus elegans seedlings in the plantations whereas seedlings of Aporosa wallichii, Suregada multiflora and Grewia nervosa in degraded natural forests. The degraded natural forests possess higher natural regeneration potential as showed by different diversity indices. The dominance-based cluster analysis showed 2 major cluster of species under one of which multiple sub-clusters of species exists. Poor plant diversity and presence of regenerating exotic species in the plantations indicated poor climate resilience of forest ecosystem in terms of natural regeneration.


2019 ◽  
Vol 20 (2) ◽  
pp. 351
Author(s):  
Marina Kipson ◽  
Martin Šálek ◽  
Radek Lučan ◽  
Marcel Uhrin ◽  
Edita Maxinová ◽  
...  

Author(s):  
Alice C. Hill ◽  
Leonardo Martinez-Diaz

Even under the most optimistic scenarios, significant global climate change is now inevitable. Although we cannot tell with certainty how much average global temperatures will rise, we do know that the warming we have experienced to date has already caused significant losses, and that the failure to prepare for the consequences of further warming may prove to be staggering. This book does not dwell on overhyped descriptions of apocalyptic climate scenarios, nor does it travel down well-trodden paths surrounding the politics of reducing carbon emissions. Instead, it starts with two central facts: there will be future climate impacts, and we can make changes now to buffer their effects. While squarely confronting the scale of the risks we face, this pragmatic guide focuses on solutions—some gradual and some more revolutionary—currently being deployed around the globe. Each chapter presents a thematic lesson for decision-makers and engaged citizens to consider, outlining replicable successes and identifying provocative recommendations to strengthen climate resilience. Between discussions of ideas as wide-ranging as managed retreat from coastal hot zones to biological solutions for resurgent climate-related disease threats, the authors draw on their personal experiences to tell behind-the-scenes stories of what it really takes to advance progress on these issues. The narrative is dotted with stories of on-the-ground citizenry, from small-town mayors and bankers to generals and engineers, who are chipping away at financial disincentives and bureaucratic hurdles to prepare for life on a warmer planet.


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