Repetitive seasonal drought causes substantial species‐specific shifts in fine‐root longevity and spatio‐temporal production patterns in mature temperate forest trees

2021 ◽  
Author(s):  
Marie J. Zwetsloot ◽  
Taryn L. Bauerle
Keyword(s):  
Temperate Forest ◽  
Fine Root ◽  
Forest Trees ◽  
Seasonal Drought ◽  
Root Longevity ◽  
Temporal Production ◽  
Spatio Temporal ◽  
Species Specific ◽  
Fine Root Longevity

scholarly journals A REVIEW: FACTORS INFLUENCING FINE ROOT LONGEVITY IN FOREST ECOSYSTEMS

2004 ◽  
Vol 28 (5) ◽  
pp. 704-710 ◽  
Author(s):  
MEI Li ◽  
◽  
WANG Zheng-Quan ◽  
CHENG Yun-Huan ◽  
Guo Da-Li
Keyword(s):  
Forest Ecosystems ◽  
Fine Root ◽  
Root Longevity ◽  
Factors Influencing ◽  
Fine Root Longevity

Fine root longevity and controlling factors in aPhoebe Bourneiplantation

2012 ◽  
Vol 32 (23) ◽  
pp. 7532-7539
Author(s):  
郑金兴 ZHENG Jinxing ◽  
黄锦学 HUANG Jinxue ◽  
王珍珍 WANG Zhenzhen ◽  
熊德成 XIONG Decheng ◽  
杨智杰 YANG Zhijie ◽  
...  
Keyword(s):  
Fine Root ◽  
Controlling Factors ◽  
Root Longevity ◽  
Fine Root Longevity

Fine-root longevity of Quercus ilex

2001 ◽  
Vol 151 (2) ◽  
pp. 437-441 ◽  
Author(s):  
B. Lopez ◽  
S. Sabate ◽  
C. A. Gracia
Keyword(s):  
Quercus Ilex ◽  
Fine Root ◽  
Root Longevity ◽  
Fine Root Longevity

scholarly journals Estimating fine root longevity in a temperate Norway spruce forest using three independent methods

2009 ◽  
Vol 36 (1) ◽  
pp. 11 ◽  
Author(s):  
Dirk Gaul ◽  
Dietrich Hertel ◽  
Christoph Leuschner
Keyword(s):  
Norway Spruce ◽  
Fine Root ◽  
Soil Depth ◽  
Mineral Soil ◽  
Mean Value ◽  
Root Diameter ◽  
Organic Layer ◽  
Mean Values ◽  
Root Longevity ◽  
Fine Root Longevity

The importance of root systems for C cycling depends crucially on fine root longevity. We investigated mean values for fine root longevity with root diameter, root C/N ratio and soil depth using radiocarbon (14C) analyses in a temperate Norway spruce [Picea abies (L.) Karst.] forest. In addition, we applied sequential soil coring and minirhizotron observations to estimate fine root longevity in the organic layer of the same stand. The mean radiocarbon age of C in fine roots increased with depth from 5 years in the organic layer to 13 years in 40–60 cm mineral soil depth. Similarly, the C/N ratios of fine root samples were lowest in the organic layer with a mean value of 24 and increased with soil depth. Roots >0.5 mm in diameter tended to live longer than those being <0.5 mm in diameter. By far the strongest variability in fine root longevity estimates was due to the chosen method of investigation, with radiocarbon analyses yielding much higher estimates (5.4 years) than sequential soil coring (0.9 years) and minirhizotron observations (0.7 years). We conclude that sequential soil coring and minirhizotron observations are likely to underestimate mean fine root longevity, and radiocarbon analyses may lead to an overestimation of mean root longevity.

Fine root longevity and controlling factors in subtropicalAltingia grlilipesandCastanopsis carlesiiforests

2012 ◽  
Vol 32 (6) ◽  
pp. 1932-1942 ◽  
Author(s):  
黄锦学 HUANG Jinxue ◽  
凌华 LING Hua ◽  
杨智杰 YANG Zhijie ◽  
卢正立 LU Zhengli ◽  
熊德成 XIONG Decheng ◽  
...  
Keyword(s):  
Fine Root ◽  
Controlling Factors ◽  
Root Longevity ◽  
Fine Root Longevity

scholarly journals Arbuscular Mycorrhizal Inoculation Affects Root Development of Acer and Magnolia Species

2009 ◽  
Vol 27 (2) ◽  
pp. 70-79 ◽  
Author(s):  
P. Eric Wiseman ◽  
Christina E. Wells
Keyword(s):  
Root Development ◽  
Mycorrhizal Fungi ◽  
Fine Root ◽  
Arbuscular Mycorrhizal ◽  
Nutrient Concentrations ◽  
Root Production ◽  
Test Species ◽  
Root Longevity ◽  
Species Specific ◽  
Amf Inoculation

Abstract The effects of arbuscular mycorrhizal fungi (AMF) inoculation on fine root development of four woody landscape plants were studied during the first year after transplant. Test species included two members of obligately mycorrhizal Magnoliaceae (Magnolia virginiana and Magnolia stellata) and two members of facultatively mycorrhizal Aceraceae (Acer × freemanii and Acer buergerianum). Field-grown, balled and burlapped plants were treated with a commercial inoculant containing Glomus spp. and Gigaspora spp. mycorrhizal fungi and transplanted to a piedmont field site. Root architecture and demographics were evaluated in situ using minirhizotrons. One year after transplant, AMF colonization levels had increased in three of the four species regardless of whether they had been intentionally inoculated. AMF-treated M. virginiana and A. buergerianum had significantly lower standing root crops (total root length visible on minirhizotrons) than control plants, and a similar trend was observed in Acer × freemanii. Inoculated M. virginiana roots exhibited reduced branching and shorter life spans, but were less likely to develop brown pigmentation. Species-specific effects of inoculation on root longevity and browning were also observed in the maples. AMF inoculation had no effect on above ground growth or foliar nutrient concentrations. Investment of photosynthate in the growth and maintenance of AMF may represent a more efficient nutrient acquisition strategy than root proliferation, leading to lower fine root production in heavily mycorrhizal plants.

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