Ecotoxicology: In-Depth Description

Ecotoxicology is the scientific study of the effects of toxic chemicals on biological organisms, specifically at the population, community, and ecosystem levels. The field integrates toxicology and ecology to assess how natural and synthetic pollutants disrupt biological functions, impact biodiversity, and alter ecological dynamics. The primary goal of ecotoxicology is to understand the mechanisms of toxicity and the movement of contaminants through the biosphere, allowing scientists to predict, assess, and mitigate the adverse impacts of environmental stressors before they cause irreversible damage to natural ecosystems.

New Model Predicts Ecosystem Climate Resistance

Grassland test plots at Cedar Creek Ecosystem Science Reserve.
Photo Credit: University of Minnesota

Scientific Frontline: Extended "At a Glance" Summary: Ecosystem Climate Resistance Modeling

The Core Concept: A novel mathematical framework that utilizes long-term ecological data to accurately forecast how strongly an ecosystem will resist future climate extremes, such as severe droughts.

Key Distinction/Mechanism: While traditional ecological methods measure ecosystem responses after a disturbance has occurred, this predictive model relies on an ecosystem's historical, natural fluctuations to forecast its future climate resistance beforehand with an average error rate of roughly 3%.

Major Frameworks/Components: 

The model establishes relationships between four critical dimensions of ecosystem stability:

1. Resistance: The degree to which an ecosystem avoids change during a disturbance.
2. Recovery: The speed at which an ecosystem returns to its normal state post-disturbance.
3. Temporal Stability: The extent to which an ecosystem avoids fluctuation over an extended period.
4. Resilience: How closely an ecosystem approximates its normal state shortly after a disturbance.

Predicting typhoon intensity using ocean surface temperatures

Conceptual diagram of this study on future changes in typhoon characteristics. Top left: Model outline. Top right: Considered changes. Bottom left: Example of results for variance in typhoon intensity by SST pattern (blue) and global warming (red) signals for difference exceedance probability.
Image Credit: Kyoto University / Nobuhito Mori

Scientific Frontline: Extended "At a Glance" Summary: Predicting Typhoon Intensity Using Ocean Surface Temperatures

The Core Concept: A new probabilistic modeling framework that combines spatial sea surface temperature (SST) patterns with a global atmospheric climate model to quantitatively predict the intensity and frequency of severe typhoons under historical and future climate conditions.

Key Distinction/Mechanism: Unlike previous evaluations that insufficiently accounted for varying sea surface temperatures, this approach couples a slab-ocean model with the Global Atmospheric Climate Model to simulate atmosphere-ocean interactions globally. Running at high resolutions (up to 20 kilometers), the model reveals that SST patterns and climate-driven SST increases explain 50 to 60 percent of the variance in typhoon intensity.

Major Frameworks/Components:

• Slab-ocean coupled Meteorological Research Institute Global Atmospheric Climate Model (MRI-AGCM).
• High-resolution, global-scale ensemble experiments executed at 60-kilometer and 20-kilometer scales.
• Spatial sea surface temperature (SST) pattern analysis.
• Probabilistic extreme weather event modeling and risk assessment.

12,000-Year Rwenzori Mountain Fire History

Researchers took sediment cores from Lake Kopello, located high in the Rwenzori mountains, to reconstruct fire history in the region since the last ice age.
Photo Credit: Jim Russell.

Scientific Frontline: Extended "At a Glance" Summary: Rwenzori Mountains Paleofire Research

The Core Concept: A recent study reveals that a devastating 2012 wildfire in the high-altitude alpine moorland of Africa's Rwenzori Mountains was the first large-scale blaze in the region in at least 12,000 years. This unprecedented event signals a modern threat to unique tropical alpine ecosystems driven by a shifting climate and human activity.

Key Distinction/Mechanism: By analyzing sediment cores from remote mountain lakes for charcoal deposits, researchers reconstructed a 12,000-year environmental record. This method distinguishes historical ecological baselines from modern disruptions, showing that while lower elevations experienced fires beginning 2,000 years ago, the highest glaciated peaks remained entirely fire-free until 2012.

Major Frameworks/Components:

• Sediment Core Analysis: Utilizing biomarkers such as pollen grains, leaf waxes, fossil bacteria, and charcoal extracted from lake beds to reconstruct ancient environments.
• Paleofire Reconstruction: Measuring charcoal concentration spikes to identify historical fire frequency and severity.
• Vegetation Succession Dynamics: Tracking historical pollen changes to observe ecosystem transformations, such as the documented shift from deciduous forests to bamboo and grasses following ancient fires at lower elevations.

Algal bloom crisis shows climate risks need evaluative governance

"Only when the last tree has died and the last river has been poisoned, and the last fish has been caught will we realize we cannot eat money."
Photo Credit: Berry Madjidi

Scientific Frontline: Extended "At a Glance" Summary: Evaluative Governance in Climate Risk

The Core Concept: Evaluative governance is a systemic framework that integrates objective scientific data with social values to determine acceptable climate limits and drive actionable policy.

Key Distinction/Mechanism: Unlike traditional models that merely catalogue ecological threats—such as biological toxicity levels and species decline—evaluative governance formally defines societal tolerability thresholds and embeds transparent trade-offs directly into executive decision-making.

Major Frameworks/Components:

• Establishment of a science-informed evidence base tracking precise ecosystem conditions and drivers.
• Consultation with stakeholders and Traditional Owners to define biological and social tolerability thresholds.
• Alignment of executive decision-making with environmental legislation, political objectives, and resourcing.
• Ongoing assessment of effectiveness and equity to actively recalibrate policies based on new evidence.

Plants Adapt Their Roots to Climate Stress

Staining of suberin deposits in the roots of five-day-old Arabidopsis thaliana seedlings, observed using fluorescence microscopy. The signal intensity is represented by a color gradient ranging from blue (low) to red (high).
Image Credit: © J. P. Han @UNIGE

Scientific Frontline: Extended "At a Glance" Summary: Plant Root Adaptation to Climate Stress

The Core Concept: Plant roots dynamically adapt to arid conditions by modulating the amount and distribution of suberin, a protective hydrophobic barrier in the endodermis. This adaptation is controlled by a specific gene linked to the plant's water-stress hormone.

Key Distinction/Mechanism: Rather than acting as static absorption organs, roots actively regulate water and nutrient uptake through suberin deposition. The formation of this cork-like barrier varies significantly based on the plant's geographic origin and local climate conditions.

Major Frameworks/Components:

• Suberin Layer: A hydrophobic, cork-like substance in the endodermis that surrounds sap-transporting vessels to block unregulated water and nutrient flow.
• Stress-Hormone Gene Link: A newly identified gene that tightly couples suberin barrier formation to the plant's internal water-stress signaling.
• Geographic Variation Analysis: The methodological shift from using a single laboratory reference line to analyzing widespread natural varieties to uncover environmental adaptation patterns.

New Material Technology Boasts High-Performance Carbon Dioxide Absorption

Synthesis of PILs based on P[DADMA][Cl].
Image Credit: ©Kouki Oka et al.

Scientific Frontline: Extended "At a Glance" Summary: High-Performance Carbon Dioxide Absorption via Poly(ionic liquid)s

The Core Concept: Poly(ionic liquid)s (PILs) can achieve exceptionally high carbon dioxide (\(\mathrm{CO_2}\)) adsorption rates when their counter anions are exchanged and inorganic salt impurities are strictly eliminated.

Key Distinction/Mechanism: While conventional anion exchange methods leave residual inorganic salts that obscure the true potential of a material, researchers developed a precise purification process to remove these by-products. They discovered that by increasing the size of the counter anion, the PIL's \(\mathrm{CO_2}\) adsorption capacity increases up to seven times compared to the raw material.

Major Frameworks/Components:

• Poly(ionic liquid)s (PILs): Materials that integrate the high \(\mathrm{CO_2}\) affinity of ionic liquids with the structural stability and ease of processing found in polymers.
• P[DADMA][Cl]: Poly(diallyldimethylammonium chloride), the base material utilized for its high density of positive charges.
• Anion Exchange Optimization: The methodical replacement of chloride (Cl⁻) ions with anions of varying sizes—acetate (AcO⁻), thiocyanate (SCN⁻), and trifluoromethanesulfonate (TFMS⁻)—to maximize adsorption.
• SEM-EDX Validation: The application of Scanning Electron Microscopy-Energy Dispersive X-ray Spectroscopy to verify the total elimination of chlorine impurities and reaction by-products.

Synthetic biology leads to recyclable textiles: Engineered protein fibers for a cleaner future

The hair-like fiber pictured here is a sample of SAM, silk-amyloid-mussel protein hybrid, an engineered protein polymer that can be easily recycled and reused when dropped in a solvent.
Photo Credit: McKelvey School of Engineering

Scientific Frontline: Extended "At a Glance" Summary: Engineered Protein Fibers (SAM)

The Core Concept: Silk-amyloid-mussel (SAM) protein hybrids are bioengineered materials produced by genetically modified microbes that serve as a fully recyclable, biodegradable alternative to synthetic textiles.

Key Distinction/Mechanism: Unlike petrochemical plastics that degrade in quality during recycling, SAM fibers dissolve rapidly in a formic acid solvent, breaking the structural bonds without altering the underlying proteins. Once the solvent evaporates, the raw proteins can be reconstituted into fibers with their original strength.

Major Frameworks/Components:

• Genetically Engineered Microbes: Utilized within bioreactors to synthesize the raw protein polymers.
• Mussel Foot Proteins: Genetic sequences integrated to control solubility in formic acid and prevent the material from shrinking when exposed to water.
• Spider Silk and Amyloids: Protein sequences that provide high tensile strength and ensure the polymer chains reconnect robustly after the recycling process.
• Formic Acid Solvent: A volatile, industry-standard solution used to safely dissolve the fibers for closed-loop recycling.

How corals reveal the ocean’s hidden chemical footprint

Coral reefs do more than sustain marine life. They record the chemical footprint of human activity in the ocean.
Photo Credit: Oleksandr Sushko

Scientific Frontline: Extended "At a Glance" Summary: Coral Bioaccumulation of Anthropogenic Chemicals

The Core Concept: Scleractinian corals function as biological archives, absorbing and accumulating anthropogenic compounds—such as pharmaceuticals, herbicides, and personal care products—within their tissues. This process provides a time-integrated record of chemical exposure and pollution in marine ecosystems.

Key Distinction/Mechanism: Unlike standard water sampling, which provides only a momentary snapshot of water quality, analyzing coral tissues reveals the long-term bioaccumulation and offshore transport of contaminants via ocean currents.

Major Frameworks/Components:

• Bioaccumulation Tracking: Identifying the widespread absorption of medications (e.g., the asthma drug salbutamol) and agricultural chemicals (e.g., the herbicide atrazine) within coral tissues.
• Spatial Distribution Analysis: Mapping contaminant concentrations across coastal and offshore reefs to trace the transport dynamics of ocean currents.
• Ecotoxicological Thresholds: Utilizing environmentally relevant field data to design controlled experiments aimed at determining safe chemical thresholds for locally important marine species.

Research explores emotional response to environmental loss

Stirling study shows link between ecological grief and climate justice
Photo Credit: Wes Warren

Scientific Frontline: Extended "At a Glance" Summary: Ecological Grief and Climate Justice

The Core Concept: Ecological grief represents the profound emotional response to environmental loss, characterized by the breakdown of "life possibilities" fundamentally tied to a specific geographic location. This concept connects the psychological experience of losing a significant place directly to political demands regarding land, resources, and climate justice.

Key Distinction/Mechanism: While traditional frameworks for climate justice focus primarily on quantifiable economic and material damages, this approach recognizes emotional and psychological loss as a normative force. It frames ecological grief not solely as a mental health impact, but as a tangible justification for territorial rights, protection, and compensation.

Origin/History: The framework was established in a 2026 interdisciplinary study published in WIREs Climate Change, authored by Dr. Virginia De Biasio and Dr. Pablo Fernandez Velasco. The research merged previously separated fields of political theory, philosophy, and psychology to bridge the gap between localized place attachment and global climate justice.

How rock removes CO₂ from the atmosphere

Giada Franceschi in the lab
Photo Credit: © TU Wien 

Scientific Frontline: Extended "At a Glance" Summary: Rapid Mineral Carbonation for \(\mathrm{CO_2}\) Capture

The Core Concept: Certain silicate minerals can rapidly convert atmospheric carbon dioxide (\(\mathrm{CO_2}\)) into solid carbonate rock, a process catalyzed by the presence of surface water.

Key Distinction/Mechanism: Traditional geochemical models assumed \(\mathrm{CO_2}\) sequestration was a sluggish process requiring decades or centuries, as it relied on \(\mathrm{CO_2}\) dissolving into ions and the rock partially dissolving. This newly confirmed direct pathway demonstrates that a thin layer of water alters the geometry of \(\mathrm{CO_2}\)—bending the normally straight molecule—which changes its chemical properties and allows it to bond directly and rapidly to the mineral surface without prior dissolution.

Origin/History: While recent industrial field tests indicated faster-than-expected carbon binding (up to 60% within two years), the exact atomic mechanism was demonstrated for the first time by researchers Giada Franceschi and Prof. Ulrike Diebold at TU Wien. The findings were published in ASC Nano in 2026.

Amazon understory forests show short-term boost in CO₂ uptake – but this comes at a cost

Open-top chamber for the Experiment in the Central Amazon.
Photo Credit: © Dado Galdieri

Scientific Frontline: Extended "At a Glance" Summary: Amazon Understory Carbon Uptake Under Elevated \(CO_2\)

The Core Concept: Experimental exposure to elevated \(CO_2\) demonstrates that understory trees in the Amazon initially increase their carbon uptake and growth, though this long-term capacity is ultimately constrained by soil nutrient availability.

Key Distinction/Mechanism: To support increased growth from extra atmospheric \(CO_2\), Amazonian plants must rapidly redistribute their root systems into the fallen leaf litter layer and release enzymes to decompose organic matter. This aggressive extraction of scarce phosphorus intensifies competition with soil microbes and depletes organic reserves, distinguishing these nutrient-limited tropical responses from those in more fertile ecosystems.

Major Frameworks/Components: 

• In Situ \(CO_2\) Simulation: The use of transparent, open-top chambers to simulate future atmospheric \(CO_2\) conditions directly within the forest understory without altering natural rainfall or temperature.
• Nutrient Acquisition Strategies: The study of root redistribution, enzymatic organic matter decomposition, and efficient internal nutrient cycling to secure phosphorus.
• Plant-Microbe Competition: The ecological trade-off where increased plant scavenging for nutrients intensifies competition with essential soil microbes.
• Free Air \(CO_2\) Enrichment (FACE): The foundational methodology for testing ecosystem responses to elevated carbon dioxide, being uniquely adapted here for highly diverse tropical lowland forests.

Researchers turn to mangroves in search for plastic-degrading enzymes

Mangroves
Photo Credit: Vishwasa Navada K

Scientific Frontline: Extended "At a Glance" Summary: Plastic-Degrading Enzymes in Mangrove Ecosystems

The Core Concept: Researchers have identified novel microbial enzymes within mangrove soil ecosystems capable of breaking down polyethylene terephthalate (PET) and other plastic polymers. This microbial activity is notably amplified when the soils are enriched with agricultural residues.

Key Distinction/Mechanism: Unlike conventional plastic-degrading enzymes that denature or lose efficacy in harsh conditions, these newly discovered enzyme groups have evolved in dynamic coastal environments. This structural adaptation allows them to maintain functionality and break down plastics in high-salinity scenarios where standard enzymes fail.

Major Frameworks/Components:

• Metagenomics: The direct genetic analysis of microbial communities residing in mangrove soils to uncover hidden biological diversity without the need for traditional culturing.
• Artificial Intelligence: The application of AI algorithms to predict enzyme characteristics and identify previously unknown protein functions from massive genomic datasets.
• 3D Structural Analysis: The biochemical mapping of the newly identified enzymes to understand their mechanical resilience and functionality in high-salt environments.
• Environmental Stimuli Testing: The manipulation of variables—such as soil desiccation, seawater exposure, and agricultural residue addition—to observe shifts in microbial community behavior and enzyme expression.

‘Forever chemicals' may be linked to childhood leukemia

Veronica Vieira, chair and professor of environmental and occupational health, led a study linking early exposure to PFAS “forever chemicals” to increased risk of childhood leukemia.
Photo Credit: Steve Zylius / UC Irvine

Scientific Frontline: Extended "At a Glance" Summary: PFAS Exposure and Childhood Leukemia

The Core Concept: Early-life exposure to per- and polyfluoroalkyl substances (PFAS), widely known as "forever chemicals," is directly associated with an elevated risk of developing acute lymphoblastic leukemia, the most common form of childhood cancer.

Key Distinction/Mechanism: Unlike previous methodologies that estimated chemical exposure primarily through municipal drinking water data, this research directly measures persistent environmental contaminants at birth. By analyzing newborn dried blood spots, scientists can capture the exact chemical burden accumulating in the body during critical, highly vulnerable windows of early development.

Major Frameworks/Components:

• Direct Biomarker Analysis: Utilization of newborn dried blood spots to secure precise measurements of early-life contaminant exposure.
• Primary Contaminant Profiling: Detection of 17 established PFAS, with PFOA and PFOS presenting at the highest levels and correlating directly with increased leukemia risk.
• Emerging Chemical Identification: Identification of 26 additional, rarely monitored PFAS compounds that demonstrate similar pathological patterns.
• Cumulative Risk Assessment: Evaluation indicating that combined, simultaneous exposure to multiple "forever chemicals" compounds the overall risk of developing cancer.

Geoengineering could protect Amazon rainforest from climate change

Photo Credit: Ivars Utināns

Scientific Frontline: Extended "At a Glance" Summary: Stratospheric Aerosol Injection (SAI) Geoengineering

The Core Concept: Stratospheric aerosol injection (SAI) is a proposed geoengineering technique designed to artificially cool the Earth by injecting aerosols into the stratosphere to reflect incoming solar radiation, effectively mimicking the cooling effect of explosive volcanic eruptions.

Key Distinction/Mechanism: While there are concerns that reducing sunlight and rainfall via SAI could suppress vegetation, recent climate modeling demonstrates the opposite effect in certain biomes. SAI actually increases global land carbon storage by mitigating the extreme temperature increases that typically suppress forest and soil carbon growth under high \(\mathrm{CO_2}\) emission scenarios.

Major Frameworks/Components:

• Stratospheric Aerosol Injection (SAI): The primary geoengineering intervention reflecting solar radiation.
• Land Carbon Storage Modeling: State-of-the-art climate models comparing carbon retention under varying \(\mathrm{CO_2}\) emission pathways.
• Vegetation Productivity Analysis: Evaluating the balance between reduced sunlight/rainfall and reduced heat stress on dense biomass regions like the Amazon.

Researchers develop method to make renewable natural gas directly from waste

As part of the project, the team used a novel bacterial strain to upgrade the biogas in a reactor, converting carbon dioxide with hydrogen into methane or renewable natural gas
Photo Credit: Washington State University

Scientific Frontline: Extended "At a Glance" Summary: Direct Renewable Natural Gas Production from Sewage Waste

The Core Concept: This methodology is an advanced, integrated waste treatment process that converts up to 80% of municipal sewage sludge into high-purity renewable natural gas. It optimizes energy recovery while significantly reducing the operational costs and environmental impact associated with wastewater management.

Key Distinction/Mechanism: Traditional anaerobic digestion is frequently inefficient at breaking down complex molecules within sewage sludge, yielding low-quality biogas and large volumes of residual waste. This new paradigm introduces a high-temperature, high-pressure pretreatment phase using an oxygen catalyst to break down long polymer chains. Subsequently, a newly discovered, patented bacterial strain upgrades the resulting biogas by converting carbon dioxide and hydrogen directly into 99% pure methane, operating efficiently with minimal required additives.

Major Frameworks/Components:

• Thermo-Oxidative Pretreatment: The application of high temperature, high pressure, and a small amount of oxygen to act as a catalyst, fracturing long polymer chains in organic waste prior to digestion.
• Anaerobic Digestion: The subsequent microbial breakdown of the pretreated sludge into biogas.
• Biological Biogas Upgrading: The utilization of a highly resilient, novel bacterial strain that synthesizes methane from carbon dioxide and hydrogen without the need for complex organic nursing.

Goose poop could fuel a circular agriculture strategy

Canada geese
Photo Credit: Alain Bonnardeaux

Scientific Frontline: Extended "At a Glance" Summary: Circular Agriculture via Black Soldier Flies and Goose Feces

The Core Concept: A novel circular upcycling model utilizing industrially harvested black soldier fly larvae to consume and process abundant Canada goose feces into valuable insect biomass and nutrient-rich fertilizer.

Key Distinction/Mechanism: Rather than treating urban bird waste solely as a biological hazard, this method leverages the digestive capabilities of the black soldier fly. The larvae process the waste—aided by beneficial microbiota naturally present in raw feces—and produce "frass" (insect waste), which functions as a high-yield fertilizer that outperforms both fresh feces and standard synthetic nutrient mediums.

Major Frameworks/Components:

• Dietary Viability: Laboratory trials demonstrated that larvae grew fastest and survived best on a 50-50 mix of goose feces and a standard grain diet, though they successfully consumed over half of the available waste when fed feces alone.
• Microbial Symbiosis: Larvae fed raw feces developed faster and grew larger than those fed autoclaved (heat-sterilized) feces, indicating that native fecal microorganisms actively support larval development.
• Agricultural Upcycling: Frass generated from the goose-feces diet was utilized to fertilize duckweed (an aquatic plant used for bioenergy and animal feed), resulting in a 32 percent higher yield compared to standard nutrient formulas.

Self‑Replicating Circular RNA Persists in Extreme Environments: Insights from Hot Spring Microbiomes

Photo Credit: Amy Hamerly

Scientific Frontline: Extended "At a Glance" Summary: Self-Replicating Circular RNA in Extreme Environments

The Core Concept: Researchers have discovered a previously unknown self-replicating circular RNA replicon within high-temperature hot spring microbiomes.

Key Distinction/Mechanism: Unlike the RNA replicators previously identified in high-temperature environments—which were predominantly RNA viruses with linear genomes—this newly discovered entity is distinctively circular. While it shares a key protein fold with established circular RNA replicons, it exhibits profound divergence at the nucleotide sequence level, constituting an entirely new lineage of Obelisk-like RNA replicons.

Major Frameworks/Components:

• Obelisk-like RNA Replicons: The specific structural and genetic classification of the newly identified circular RNA entities.
• Circular vs. Linear Genomics: The structural paradigm differentiating this new discovery from previously known extreme-environment RNA viruses.
• RNA-based Replicators: The foundational category of molecular biology (which includes viroids and RNA viruses) that serves as a primary model for understanding prebiotic chemistry and origin-of-life theories.
• Extreme Microbiome Ecology: The study of microbial and viral community survival dynamics in high-stress, high-temperature habitats.

Mining waste product could help store carbon emissions

Pouring smelter slag onto the dump
Photo Credit: Javier Rubilar
(CC BY-SA 2.0)

Scientific Frontline: Extended "At a Glance" Summary: Carbon Sequestration Using Iron-Rich Mining Slag

The Core Concept: A recent study demonstrates that iron-rich slag, a widespread waste byproduct of metal processing, can effectively capture and store carbon dioxide (CO₂) emissions under realistic environmental conditions.

Key Distinction/Mechanism: While previous carbon storage research focused on highly aqueous systems where CO₂ forms solid minerals, this study reveals that in environments with low-to-moderate moisture, iron-rich slag can remove up to 99.5 percent of CO₂. Crucially, the primary mechanism in these realistic conditions is adsorption—where carbon attaches directly to the surface of the slag—rather than relying solely on mineral formation.

Origin/History: The research was led by Dr. Samantha Wilcox, alongside co-supervisors Catherine Mulligan (Concordia University) and Carmen Mihaela Neculita (Université du Québec en Abitibi-Témiscamingue), with support from the Natural Sciences and Engineering Research Council of Canada. The findings were published in the Chemical Engineering Journal and announced by Concordia University in April 2026.

Fires, winds and pests: the future of European forests

Photo Credit: Marek Piwnicki

Scientific Frontline: Extended "At a Glance" Summary: Climate-Induced Disturbances in European Forests

The Core Concept: Driven by climate change and past management practices, natural disturbances such as wildfires, extreme winds, and pest outbreaks are projected to increasingly impact European forests, potentially doubling the affected area by 2100 under worst-case warming scenarios.

Key Distinction/Mechanism: Unlike traditional retrospective ecological studies, this framework forecasts future ecosystem vulnerability by integrating satellite observations, model simulations, and climate scenarios into an advanced AI-based forest model.

Major Frameworks/Components:

• AI-Based Predictive Modeling: The synthesis of satellite data and varied climate warming scenarios (up to +4⁰C) through artificial intelligence to project long-term forest viability.
• Ecosystem Dynamics & Mortality: The study of tree mortality not solely as a loss, but as a critical biogeochemical mechanism that recycles carbon, clears space for new growth, and creates habitats for biodiversity.
• Structural Homogenization Analysis: The evaluation of how historical forest management simplified forest structures and reduced species diversity, directly diminishing natural resilience to climate stressors.