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Book
Coral Reef Resilience
Authors: ---
Year: 2021 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Book
Genetic Resources and Adaptive Management of Conifers in a Changing World
Author:
Year: 2021 Publisher: Basel, Switzerland MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

Climatic change causes a mismatch between tree populations on sites they currently occupy and the climate to which they have adapted in the past. The maintenance of productivity and of ecological and societal services requires resilient populations and ecosystems, particularly close to the vulnerable trailing (xeric) range limits. The studies confirm the selective effect of diverse habitat/climate conditions across the species ranges. Soil conditions may mask climate effects and should be considered separately. The unique potential of provenance tests is illustrated by growth response projections that may be less dramatic than provided by usual inventory data analyses. Assisted migration appears to be a feasible management action to compensate for climatic warming. However, the choice of populations needs special care under extreme conditions and outside the limits of current natural distribution ranges. The proper differentiation of measures according to the present and future adaptive challenges require the continuation of long-term analyses and the establishment of better focused field trials in disparate climates that contain populations from a representative range of habitats. The studies present results obtained from diverse regions of the temperate forest zone, from Central and Northwestern Europe, the Mediterranean, Russia, China, North and Central America.

Keywords

Research & information: general --- Camptotheca acuminata --- MaxEnt --- climateAP --- suitable habitat --- climate change --- soil --- genetic variation --- seed sourcing --- forest management --- genetic conservation --- Pinus sylvestris --- climate-change impacts --- ecosystem responses to climate --- species distributions --- climatype distributions --- adaptive management --- provenance test --- genecology --- reforestation --- restoration --- conservation --- assisted migration --- climatic change --- climate transfer distance --- dryness index --- Abies religiosa --- survival --- mortality --- biomass --- basal diameter --- Monarch Butterfly Biosphere Reserve --- Picea abies --- field trials --- provenances --- families --- clones --- height growth --- phenotypic stability --- phenotypic plasticity --- mountain forest --- tree species selection --- Scots pine --- adaptation --- wood anatomy --- tracheidogram --- traits --- common garden --- silver fir --- grand fir --- Balkan firs --- drought stress --- resilience --- scots pine seed mass and seed zones --- a provenance trial --- bioclimatic models --- an ensemble of general circulation models --- RCP 2.6 and RCP 8.5 scenarios --- Russia --- Camptotheca acuminata --- MaxEnt --- climateAP --- suitable habitat --- climate change --- soil --- genetic variation --- seed sourcing --- forest management --- genetic conservation --- Pinus sylvestris --- climate-change impacts --- ecosystem responses to climate --- species distributions --- climatype distributions --- adaptive management --- provenance test --- genecology --- reforestation --- restoration --- conservation --- assisted migration --- climatic change --- climate transfer distance --- dryness index --- Abies religiosa --- survival --- mortality --- biomass --- basal diameter --- Monarch Butterfly Biosphere Reserve --- Picea abies --- field trials --- provenances --- families --- clones --- height growth --- phenotypic stability --- phenotypic plasticity --- mountain forest --- tree species selection --- Scots pine --- adaptation --- wood anatomy --- tracheidogram --- traits --- common garden --- silver fir --- grand fir --- Balkan firs --- drought stress --- resilience --- scots pine seed mass and seed zones --- a provenance trial --- bioclimatic models --- an ensemble of general circulation models --- RCP 2.6 and RCP 8.5 scenarios --- Russia


Book
Hardwood Reforestation and Restoration
Authors: ---
ISBN: 3038977314 3038977306 Year: 2019 Publisher: MDPI - Multidisciplinary Digital Publishing Institute

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Abstract

Hardwood-dominated temperate forests (mostly in Eastern North America, Europe, North East Asia) provide valuable renewable timber and numerous ecosystem services. Many of these forests have been subjected to harvesting or conversion to agriculture, sometimes over centuries, that have greatly reduced their former extent and diversity. Natural regeneration following harvesting or during post-agricultural succession has often failed to restore these forests adequately. Past harvesting practices and the valuable timber of some species have led to a reduction in their abundance. The loss of apex predators has caused herbivore populations to increase and exert intense browsing pressure on hardwood regeneration, often preventing it. Particularly important are fruit, nut and acorn bearing species, because of their vital role in forest food webs and biodiversity. Restoring hardwood species to natural forests in which they were formerly more abundant will require a number of forest management actions (e.g., resistant hybrids, deer exclosures/protectors, enrichment planting, underplanting, etc.). Similarly, reforesting areas that were once natural forests will also require new silvicultural knowledge. Global warming trends will intensify the need for interventions to maintain the diversity and function of temperate hardwood forests, as well as for increase hardwood reforestation.

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