scholarly journals Carbon storage in mountainous headwater streams: The role of old-growth forest and logjams

2014 ◽  
Vol 50 (3) ◽  
pp. 2376-2393 ◽  
Author(s):  
Natalie D. Beckman ◽  
Ellen Wohl
Keyword(s):  
Carbon Storage ◽  
Headwater Streams ◽  
Old Growth ◽  
Old Growth Forest

Role of Uprooting in Composition and Dynamics of an Old-growth Forest in Japan

Ecology ◽  
1989 ◽  
Vol 70 (5) ◽  
pp. 1273-1278 ◽  
Author(s):  
Tohru Nakashizuka
Keyword(s):  
Old Growth ◽  
Old Growth Forest

scholarly journals Older eastern white pine trees and stands sequester carbon for many decades and maximize cumulative carbon

2020 ◽  
Author(s):  
Robert T. Leverett ◽  
Susan A. Masino ◽  
William R. Moomaw
Keyword(s):  
New England ◽  
Carbon Storage ◽  
Safety Net ◽  
White Pine ◽  
Eastern White Pine ◽  
Old Growth ◽  
Old Growth Forest ◽  
Large Trees ◽  
Natural Climate

AbstractPre-settlement New England was heavily forested, with some trees exceeding 2 m in diameter. New England’s forests have regrown since farm abandonment and represent what is arguably the most successful regional reforestation on record; the region has recently been identified as part of the “Global Safety Net.” Remnants and groves of primary “old-growth” forest demonstrate that native tree species can live for hundreds of years and continue to add to the biomass and structural and ecological complexity of forests. Forests are an essential natural climate solution for accumulating and storing atmospheric CO2, and some studies emphasize young, fast-growing trees and forests whereas others highlight high carbon storage and accumulation rates in old trees and intact forests. To address this question directly within New England we leveraged long-term, accurate field measurements along with volume modeling of individual trees and intact stands of eastern white pines (Pinus strobus) and compared our results to models developed by the U.S. Forest Service. Our major findings complement, extend, and clarify previous findings and are three-fold: 1) intact eastern white pine forests continue to sequester carbon and store high cumulative carbon above ground; 2) large trees dominate above-ground carbon storage and can sequester significant amounts of carbon for hundreds of years; 3) productive pine stands can continue to sequester high amounts of carbon for well over 150 years. Because the next decades are critical in addressing the climate crisis, and the vast majority of New England forests are less than 100 years old, and can at least double their cumulative carbon, a major implication of this work is that maintaining and accumulating maximal carbon in existing forests – proforestation - is a powerful near-term regional climate solution. Furthermore, old and old-growth forests are rare, complex and highly dynamic and biodiverse, and dedication of some forests to proforestation will also protect natural selection, ecosystem integrity and full native biodiversity long-term. In sum, strategic policies that grow and protect existing forests in New England will optimize a proven, low cost, natural climate solution for meeting climate and biodiversity goals now and in the critical coming decades.

scholarly journals Carbon Storage in Coarse and Fine Fractions of Pacific Northwest Old-Growth Forest Soils

2004 ◽  
Vol 68 (6) ◽  
pp. 2023-2030 ◽  
Author(s):  
P. S. Homann ◽  
S. M. Remillard ◽  
M. E. Harmon ◽  
B. T. Bormann
Keyword(s):  
Pacific Northwest ◽  
Carbon Storage ◽  
Forest Soils ◽  
Old Growth ◽  
Old Growth Forest

Stand structural diversity and species with leaf nitrogen conservative strategy drive aboveground carbon storage in tropical old-growth forests

2020 ◽  
Author(s):  
Genzhu Wang ◽  
Yuguo Liu ◽  
Xiuqin Wu ◽  
Danbo Pang ◽  
Xiao Yang ◽  
...  
Keyword(s):  
Carbon Storage ◽  
Structural Equation ◽  
Structural Diversity ◽  
Old Growth ◽  
Elevation Gradients ◽  
Niche Complementarity ◽  
Aboveground Carbon ◽  
Old Growth Forest ◽  
Stand Structural Diversity ◽  
Aboveground Carbon Storage

Abstract Background: Tropical old-growth forest ecosystems are essential for global carbon regulation. Even there are mounting evidences for the significance of species and functional composition, stand structure and elevation gradients on aboveground carbon storage, the relative strengths of these drivers and whether elevation effects via biotic factors are not clear. Furthermore, the mechanisms (the mass-ratio hypothesis or niche complementarity hypothesis) are still poorly understood. Methods: We analyzed aboveground carbon storage, species diversity, stand structural diversity, community-weighted mean (CWM) of functional traits and functional diversity (FDvar) using date from 56 old-growth forest communities with different elevation gradients in Dawei mountain of southwestern China. Multiple regression models were used to test the relative importance of the predictor variables and structural equation model was used to explore the direct and indirect influences on the aboveground carbon storage. Results: Our optimal multiple regression model show aboveground carbon storage is mostly affected by diameter at breast height (DBH) diversity, followed by FDvar of dry matter concentration in mature leaves and CWM nitrogen concentration in young leaves. The final structural equation model indicates elevation indirectly affected aboveground carbon storage via DBH diversity. The stand structural diversity, but not species diversity or functional diversity, enhanced aboveground carbon storage. Conclusions: Our results indicate mass-ratio and niche complementarity effect promote aboveground carbon storage simultaneously. The complex stand structure and species with leaf nitrogen conservative strategy were the crucial drivers of aboveground carbon storage in tropical old-growth forests.

Communities of aquatic insects of old-growth and clearcut coastal headwater streams of varying flow persistence

2003 ◽  
Vol 33 (8) ◽  
pp. 1416-1432 ◽  
Author(s):  
Karen Price ◽  
Arlene Suski ◽  
Joanna McGarvie ◽  
Barbara Beasley ◽  
John S Richardson
Keyword(s):  
Aquatic Insects ◽  
Algal Biomass ◽  
Headwater Streams ◽  
Canopy Cover ◽  
Ephemeral Streams ◽  
Aquatic Communities ◽  
Old Growth ◽  
Organic Detritus ◽  
Temporary Streams ◽  
Old Growth Forest

Headwater streams, varying in flow persistence from ephemeral to intermittent to perennial, provide the tightest coupling between water and land, yet they often receive the least protection during forest management. We described communities of aquatic insects in perennial, intermittent, and ephemeral channels surrounded by old-growth forest and 4- to 8-year-old clearcuts in Clayoquot Sound, British Columbia, to determine whether temporary streams have unique aquatic communities and to examine the short-term impacts of harvesting. We measured flow persistence, stream size, canopy cover, organic detritus, and algal biomass in 19 streams. We sampled aquatic invertebrates with a combination of emergence cages and kicknet samples. Temporary and old-growth streams had more organic detritus and a higher abundance of shredders. Perennial and clearcut streams had a higher abundance of some algal grazers, but not higher algal biomass. Insect richness was similar in intermittent and perennial streams of each seral stage but lower in ephemeral streams. Intermittent streams contained four taxa not found in the other stream classes; perennial and ephemeral streams had none. Communities of aquatic insects differed between streams surrounded by clearcuts and old growth, and varied with continuity of flow.

scholarly journals The role of dispersal in shaping plant community composition of wetlands within an old-growth forest

2010 ◽  
Vol 98 (6) ◽  
pp. 1292-1299 ◽  
Author(s):  
Kathryn M. Flinn ◽  
Tarik C. Gouhier ◽  
Martin J. Lechowicz ◽  
Marcia J. Waterway
Keyword(s):  
Community Composition ◽  
Plant Community ◽  
Plant Community Composition ◽  
Old Growth ◽  
Old Growth Forest

Role of mycorrhizal associations in tree spatial distribution patterns based on size class in an old-growth forest

Oecologia ◽  
2019 ◽  
Vol 189 (4) ◽  
pp. 971-980 ◽  
Author(s):  
T. Sasaki ◽  
M. Konno ◽  
Y. Hasegawa ◽  
A. Imaji ◽  
M. Terabaru ◽  
...  
Keyword(s):  
Spatial Distribution ◽  
Distribution Patterns ◽  
Size Class ◽  
Old Growth ◽  
Spatial Distribution Patterns ◽  
Old Growth Forest ◽  
Mycorrhizal Associations

Spatial and temporal dynamics of 20th century carbon storage and emissions after wildfire in an old-growth forest landscape

2019 ◽  
Vol 449 ◽  
pp. 117461 ◽  
Author(s):  
Lucas B. Harris ◽  
Andrew E. Scholl ◽  
Amanda B. Young ◽  
Becky L. Estes ◽  
Alan H. Taylor
Keyword(s):  
20Th Century ◽  
Carbon Storage ◽  
Temporal Dynamics ◽  
Forest Landscape ◽  
Old Growth ◽  
Old Growth Forest ◽  
Spatial And Temporal Dynamics
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