Forest Survival and Mortality

AGRICULTURAL AND FOREST METEOROLOGY

Evaluating drought-induced mortality risk for Robinia pseudoacacia plantations along the precipitation gradient on the Chinese Loess Plateau
Zhang et al. in: Agricultural and Forest Meteorology (2020), 284, Article 107897

CANADIAN JOURNAL OF FOREST RESEARCH

Factors affecting post-fire regeneration after coppicing of cork oak (Quercus suber) trees in northeastern Algeria
Roula, Bouhraoua, Catry in: Canadian Journal of Forest Research (2020), 50:4, pp 371-379

Integration of small RNAs, degradome, and transcriptome sequencing in Populus × euramericana “Neva” provides insights into the allelopathic interference of para-hydroxybenzoic acid
Liang et al. in: Canadian Journal of Forest Research (2020), 50:4, pp 422-437

Pedunculate oak decline in southern Belgium: a long-term process highlighting the complex interplay among drought, winter frost, biotic attacks, and masting
Losseau, Jonard, Vincke in: Canadian Journal of Forest Research (2020), 50:4, pp 380-389

EUROPEAN JOURNAL OF FOREST RESEARCH

Climate sensitivity and resistance under pure- and mixed-stand scenarios in Lower Austria evaluated with distributed lag models and penalized regression splines for tree-ring time series
Nothdurft, Engel in: European Journal of Forest Research (2020), 139:2, pp 189-211

Framework for assessing the windthrow risk to Norway spruce forests in Switzerland
Maurer, Heinimann in: European Journal of Forest Research (2020), 139:2, pp 259-272

FOREST ECOLOGY AND MANAGEMENT

A history of the rehabilitation of mangroves and an assessment of their diversity and structure using Landsat annual composites (1987–2019) and transect plot inventories
Pimple et al. in: Forest Ecology and Management (2020), 462, Article 118007

A key tree species for forest biodiversity, European aspen (Populus tremula), is rapidly declining in boreal old-growth forest reserves
Hardenbol, Junninen, Kouki in: Forest Ecology and Management (2020), 462, Article 118009

Assessment of resistance to xylem cavitation in cordilleran cypress using near-infrared spectroscopy
Sergent et al. in: Forest Ecology and Management (2020), 462, Article 117943

Botanical field-study and remote sensing to describe mangrove resilience in the Saloum Delta (Senegal) after 30 years of degradation narrative
Andrieu et al. in: Forest Ecology and Management (2020), 461, Article 117963

Doubling of biomass production in European boreal forest trees by a four-year suppression of background insect herbivory
Shestakov et al. in: Forest Ecology and Management (2020), 462, Article 117992

Early postfire response of a northern range margin coast redwood forest community
Woodward, Romme, Evangelista in: Forest Ecology and Management (2020), 462, Article 117966

Greater risk of hydraulic failure due to increased drought threatens pine plantations in Horqin Sandy Land of northern China
Li et al. in: Forest Ecology and Management (2020), 461, Article 117980

Intense mycorrhizal root colonization in a human-modified landscape of the Caatinga dry forest
Pereira et al. in: Forest Ecology and Management (2020), 462, Article 117970

Long-term effects of harvest on boreal forest soils in relation to a remote sensing-based soil moisture index
Sewell et al. in: Forest Ecology and Management (2020), 462, Article 117986

Long term persistence of aspen in snowdrift-dependent ecosystems
Kretchun et al. in: Forest Ecology and Management (2020), 462, Article 118005

Measuring spatial and temporal shifts in forest structure and composition in high elevation beech forests in response to beech bark disease in Great Smoky Mountains National Park
Rumble et al. in: Forest Ecology and Management (2020), 461, Article 117954

Neighborhood interactions on seedling survival were greatly altered following an extreme winter storm
Wang et al. in: Forest Ecology and Management (2020), 461, Article 117940

Potential influences of forest mesophication on corticolous arthropods as a food base for insectivores in eastern deciduous forests
Zarri, Eichholz, Sierzega in: Forest Ecology and Management (2020), 461, Article 117933

Sapwood-inhabiting mycobiota and Nothofagus tree mortality in Patagonia: Diversity patterns according to tree species, plant compartment and health condition
Molina et al. in: Forest Ecology and Management (2020), 462, Article 117997

Species mixing reduces drought susceptibility of Scots pine (Pinus sylvestris L.) and oak (Quercus robur L., Quercus petraea (Matt.) Liebl.) – Site water supply and fertility modify the mixing effect
Steckel et al. in: Forest Ecology and Management (2020), 461, Article 117908

Subtle precipitation differences yield adaptive adjustments in the mesic Nothofagus dombeyi
Diaz, Mathiasen, Premoli in: Forest Ecology and Management (2020), 461, Article 117931

Variation in whole-rotation yield among Eucalyptus genotypes in response to water and heat stresses: The TECHS project
Binkley et al. in: Forest Ecology and Management (2020), 462, Article 117953

FOREST PATHOLOGY

Neofusicoccum parvum associated with pomegranate branch canker in Iran
Golmohammadi, Arzanlou, Nasab in: Forest Pathology (2020), 50:2, Article 12582

FOREST SCIENCE

Abiotic and Biotic Factors Affecting Loblolly Pine Health in the Southeastern United States
Coyle et al. in: Forest Science (2020), 66:2, pp 145-156

Assessment of Disturbances across Forest Inventory Plots in the Southeastern United States for the Period 1995–2018
Ojha, Naka, Dimov in: Forest Science (2020), 66:2, pp 242-255

Resilience or Vulnerability of the Rear-Edge Distributions of Pinus halepensis and Pinus pinaster Plantations Versus that of Natural Populations, under Climate-Change Scenarios
Silverio et al. in: Forest Science (2020), 66:2, pp 178-190

FORESTRY

Ice-storm damage to trees in mixed Central European forests: damage patterns, predictors and susceptibility of tree species
Klopcic et al. in: Forestry (2020), 93:3, pp 430-443

FORESTS

Causes of Decline in the Korean Fir Based on Spatial Distribution in the Mt. Halla Region in Korea: A Meta-Analysis
Ahn, Yun in: Forests (2020), 11:4, Article 391

Figure 2 (a) Distribution maps of the APMR. (b) Total tree density. (c) Live tree density. (d) Location of the sections for the altitudinal variation analysis of the Korean fir, in relation to the aspect of Mt. Halla. The cells used for analysis, each containing at least 36 Korean firs, are filled in blue. The size of each cell in the figures is 60 × 60 m. The star in Figure 2d represents the location of the analysis for the distribution of Korean fir in the area with heterogeneous topography. The dot (YS) indicates the location of the Yeongsil area. APMR: accumulated percent mortality rate. TTD: total tree density. LTD: live tree density.

Drought Hardening Contributes to the Maintenance of Proportions of Non-Embolized Xylem and Cambium Status during Consecutive Dry Treatment in Container-Grown Seedling of Japanese Cedar (Cryptomeria japonica)
Saiki et al. in: Forests (2020), 11:4, Article 441

Figure 3
Shoot dry mass-based whole-plant transpiration (Ewhole) was compared between drought-hardening treatment [control (C), mild drought (M), and severe drought (S)] during consecutive dry treatment. Boxplots show the median (bar), interquartile range (box), 5th and 95th percentiles (whiskers), and outliers (points) (n of Ewhole was nine from one to eight day and three from eight to thirteen day during consecutive dry treatment). The means of E
whole were compared for each measurement days in all drought-hardening treatments using one-way repeated measures ANOVA followed by Dunnett’s test at a significance level of α = 0.05, for multiple comparisons between the first day and subsequent measurement days. Asterisk indicate statistically significant differences from 1st day.

Ectomycorrhizal Fungi: Participation in Nutrient Turnover and Community Assembly Pattern in Forest Ecosystems
Liu, Li, Kou in: Forests (2020), 11:4, Article 453

Figure 1 The role of ectomycorrhizal fungi (EcMF) in nutrient cycling: (a) Carbon (C) flow through EcMF promotes the turnover of soil organic matter (SOM) and cycling of nutrients [29]. (1) Plant hosts transfer photosynthate to EcMF primarily as simple sugars [5]. (2) EcMF increase the effective absorptive surface area of roots enabling the transfer of nutrients, water, and other soil resources to hosts. (3) Hyphae can form inter- and intraspecific host mycelial networks for the bi-directional exchange of nutrients and carbohydrates [30 ,31]. (4) Root–mycorrhizal systems are involved in the release of carbon dioxide (CO2) by soil respiration [32]. (5) The turnover of EcMF and fine roots are important sources of labile C and nutrients for microbial processes [29], and the residues of EcMF and the extramatrical mycelium are incorporated into organic matter [33]. (b) EcMF participate in the decay of organic matter through enzymatic degradation and Fenton chemistry [29], the priming effect mediated by root and EcMF exudates [34] and the Gadgil effect caused by reduced saprotrophs activity based on the competitive interactions between mycorrhizal fungi and saprotrophs [35]. (c) EcMF transport phosphorus (P) from the soil to the symbiotic interface through phosphate transporters [36]. (d) EcMF accelerate weathering of minerals and rocks through physicochemical action [37]. EMM: Ectomycorrhizal mycelium. SAP: Saprotroph. IM: Intraradical mycelium. EM: Extraradical mycelium. N: Nitrogen. Pi: Inorganic phosphate. Po: Organic phosphate. H-affinity H+:Pi: High-affinity H+:Pi transporters. L-affinity H+:Pi: Low-affinity H+:Pi transporters. H-affinity Pi:Na+: High-affinity Pi:Na+ transporters. H+/Po: organic phosphate transporters. Fenton chemistry: This is a nonenzymatic reaction in which hydrogen peroxide (H2O2) oxidizes Fe2+ to form hydroxyl radicals [38]. Priming effect: Mycorrhizal fungi and fine roots exude simple organic compounds to increase microbial activity [29]. Gadgil effect: Competition between mycorrhizal fungi and saprotrophs may decrease the decomposition rate of SOM [35]. Necromass: Organic matter derived from or composed of dead microorganisms [29].

Initial Responses in Growth, Production, and Regeneration following Selection Cuttings in Hardwood-Dominated Temperate Rainforests in Chile
Donoso et al. in: Forests (2020), 11:4, Article 412

Figure 2 Mean (bars) and standard deviation (whiskers) in pai in d
(cm year−1) according to treatment (HRBA, LRBA), site (LL, LR), DBH CLASS (<20 cm; 20–50 cm; 50–80 cm; >80 cm), and functional group. Different letters between bars of the same DBH class show significant differences (value of p < 0.05).

Presence of Root Rot Reduces Stability of Norway Spruce (Picea abies): Results of Static Pulling Tests in Latvia
Krisans et al. in: Forests (2020), 11:4, Article 416

Figure 1 Basal bending moment (BBM) of the Norway spruce at the primary failure (A) and at secondary failure (B) according to stem wood volume and root rot.


Radial Growth Adaptability to Drought in Different Age Groups of Picea schrenkiana Fisch. & C.A. Mey in the Tianshan Mountains of Northwestern China
Jiao et al. in: Forests (2020), 11:4, Article 455

Figure 4 Correlation coefficient between the radial growth and mean temperature, total precipitation, and relative humidity in the Schrenk spruce trees of three age groups. Y: young group; M: middle-aged group; O: old group; red: positive correlation; blue: negative correlation; large black dots: significance level <0.01; small black dots: significance level <0.05; P: previous year, C: current year (for example, P9: September of the previous year, C1: January of the current year).

Response of Nitrogen Metabolism in Masson Pine Needles to Elevated CO2
Wu et al. in: Forests (2020), 11:4, Article 390

Figure 3 Influence of high CO2 concentration on nitrogen metabolism regulation in Masson pine needles. Biosynthesis pathways according to Taiz [56]. The green and black rectangles represent the chloroplast and cytosol, respectively. The gene expression, enzyme activities and the content of different nitrogen forms are shown in red, blue and orange, respectively. Up- and downward-facing arrows indicate up- and downregulated expression, respectively. The blue line in NR indicates that there is no difference in the enzyme activity expression of NR, and the specific data are shown in Figure 1B. α-KG, α-Ketoglutaric acid; Fdred, Reduced ferredoxin.

Responses to Water Deficit and Salt Stress in Silver Fir (Abies alba Mill.) Seedlings
Todea et al. in: Forests (2020), 11:4, Article 395

Figure 1 Effect of water and salt stress treatments on growth inhibition in A. alba. Stem elongation (a), increment in the number of needles (Nno) (b), needle fresh weight (FW) (c), needle water content (WC%) (d) of one-year-old A. alba seedlings after 30 days of growth in the presence of the indicated salt concentrations or subjected to water deficit (completely withholding irrigation) (WS). Stem length and number of needles’ measurements were taken just before starting the treatments (time 0), and before collecting the samples (time 30). Bars represent means ± SE (n = 7). Different letters above the bars indicate significant differences between treatments, according to Tukey’s test (α = 0.05).

Selection and Validation of Reference Genes for the qRT-PCR Assays of Populus ussuriensis Gene Expression under Abiotic Stresses and Related ABA Treatment
Wei et al. in: Forests (2020), 11:4, Article 476

Figure 2 Average expression stability value (M) and ranking of the fourteen RGs across all stresses and ABA treatment calculated using geNorm. (A) Drought stress, (B) ABA treatment, (C) cold stress, and (D) high salinity stress. The least stable genes are listed on the left, and the most stable genes are listed on the right.

Sex-Related Differences in Growth, Herbivory, and Defense of Two Salix Species
Yang et al. in: Forests (2020), 11:4, Article 450

Figure 1 Degrees of herbivory damage on male and female of willow plants. Notes: Bars represent SE. Comparisons between females and males within each variable were performed using the pairwise t-test. ** p < 0.01; *** p < 0.001.

Small-Scale Abiotic Factors Influencing the Spatial Distribution of Phytophthora cinnamomi under Declining Quercus ilex Trees
Sanchez-Cuesta et al. in: Forests (2020), 11:4, Article 375

Figure 1 Soil sample design (according to Gallardo et al. [20] at two different scales: general grid (1 × 1 m) (G, n = 16) and specific position grid (0.5 × 0.33 m) corresponding to inside of the crown cover (I, n = 8), transition (T, n = 8), and outside of the crown cover (O, n = 8) for each of the four sampled trees. The black points belong to the group outside of the crown cover (OC, n = 22) and the white points belong to the group inside of the crown cover (IC, n = 11). The letters N, E, S and W, indicate the cardinal points.

Stem Damage Modifies the Impact of Wind on Norway Spruces
Snepsts et al. in: Forests (2020), 11:4, Article 463

Figure 1 The influence of stand age on the probability of wind damage. The grey area represents the ±95% credibility interval.

The Long-Term Survival and Growth of Enrichment Plantings in Logged Tropical Rainforest in North Queensland, Australia
Quang et al. in: Forests (2020), 11:4, Article 386

Figure 1 The survival of Flindersia brayleyana in enrichment planting experiments at different sites in north Queensland.

Thirst or Malnutrition: The Impacts of Invasive Insect Agrilus mali on the Physiological Status of Wild Apple Trees
Zhang et al. in: Forests (2020), 11:4, Article 440

Figure 3
The stable carbon isotope of wild apple leaves among four damage rankings in 2016 and 2017. The uppercase letter referred to the difference among four damage rankings in 2016, while the lowercase letter referred to the difference in 2017. The different letters showed significant difference existed among ranks(p < 0.05), and same different letters or overlap letters presented non-significant difference(p > 0.05) (a), The photos of four damage rankings of M. sieversii (b) and ranking of tree damage for each individual tree based on the proportion of damaged branches (c).

FRONTIERS IN FORESTS AND GLOBAL CHANGE

Change in tree spatial pattern after severe wind disturbance in four North American northern hardwood and sub-boreal forests
Peterson in: Frontiers in Forests and Global Change (2020), 3, Article 57

Effects of Temperature and Water Availability on Northern European Boreal ForestsFire and Forest Restoration Treatments
Ruiz-Perez, Vico in: Frontiers in Forests and Global Change (2020), 3, Article 34

Impact of the Invasive Beech Leaf-Mining Weevil, Orchestes fagi, on American Beech in Nova Scotia, Canada
Sweeney et al. in: Frontiers in Forests and Global Change (2020), 3, Article 46

Physiology and Growth of Douglas-Fir and Redwood Seedlings Planted After Partial Harvesting
Kerhoulas et al. in: Frontiers in Forests and Global Change (2020), 3, Article 49

Tree-Ring Evidence of Forest Management Moderating Drought Responses: Implications for Dry, Coniferous Forests in the Southwestern United States
van Mantgem et al. in: Frontiers in Forests and Global Change (2020), 3, Article 41

GLOBAL CHANGE BIOLOGY

Assessing the response of forest productivity to climate extremes in Switzerland using model–data fusion
Trotsiuk et al. in: Global Change Biology (2020), 26:4, pp 2463-2476

PLANT ECOLOGY

Response of four species of Sonoran Desert trees to buffel grass removal treatments
Espinoza, Molina-Freaner, Tinoco-Ojanguren in: Plant Ecology (2020), 221:4, pp 255-264

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA (PNAS)

Trait velocities reveal that mortality has driven widespread coordinated shifts in forest hydraulic trait composition
Trugman et al. in: Proceedings of the National Academy of Sciences of the United States of America (2020), 117:15, pp 8532-8538

TREE GENETICS & GENOMES

Optimization of Eucalyptus breeding through random regression models allowing for reaction norms in response to environmental gradients
Alves et al. in: Tree Genetics & Genomes (2020), 16:2 , Article 38

TREE PHYSIOLOGY

Drought tolerance of wild versus cultivated tree species of almond and plum in the field
Paudel et al. in: Tree Physiology (2020), 40:4, pp 454-466

Effect of elevated ozone, nitrogen availability and mesophyll conductance on the temperature responses of leaf photosynthetic parameters in poplar
Xu et al. in: Tree Physiology (2020), 40:4, pp 484-497

Functional characterization and expression patterns of PnATX genes under different abiotic stress treatments in Populus
Xu et al. in: Tree Physiology (2020), 40:4, pp 520-537

Transcriptome profiling reveals the crucial biological pathways involved in cold response in Moso bamboo (Phyllostachys edulis)
Liu et al. in: Tree Physiology (2020), 40:4, pp 538-556

TREES – STRUCTURE AND FUNCTION

Negative growth responses to temperature of sympatric species converge under warming conditions on the southeastern Tibetan Plateau
Du et al. in: Trees – Structure and Function (2020), 34:2, pp 395-404

Physiological and metabolic responses of Salix sinopurpurea and Salix suchowensis to drought stress
Jia et al. in: Trees – Structure and Function (2020), 34:2, pp 563-577

Sacrificing growth and maintaining a dynamic carbohydrate storage are key processes for promoting beech survival under prolonged drought conditions
Chuste et al. in: Trees – Structure and Function (2020), 34:2, pp 381-394

The climatic response of baldcypress (Taxodium mucronatum Ten.) in San Luis Potosi, Mexico
Villaneuva-Diaz et al. in: Trees – Structure and Function (2020), 34:2, pp 623-635

Tissue sodium and chloride concentrations in relation to needle injury in boreal conifer seedlings subjected to salt stress
Olivier, Zhang, Zwiazek in: Trees – Structure and Function (2020), 34:2, pp 521-529

What causes variable response in tree growth to climate change at a single site? A case study of Picea crassifolia at the upper treeline, Qilian Mountains, China
Zhang et al. in: Trees – Structure and Function (2020), 34:2, pp 615-622

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