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Ecological Intelligence

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Ecological Intelligence / Subject

working lands

Peer-reviewed Europe

Europe's future protein-crop map is not one climate story

Evidence
Peer-reviewed
Geography
European agricultural lands under multiple climate scenarios
System
Agricultural crop suitability and adaptation geography

WHAT THE EVIDENCE SAYS

Species distribution models using climate, soil and topography mapped potential suitability of eight protein-rich crops across Europe at about 1-km resolution. Peas, lupins and faba beans were projected to gain suitable area across many scenarios, while ryegrass and quinoa lost area; soy and oats showed location- and scenario-dependent patterns.

WHY IT MATTERS / OUR READ

Climate adaptation is a crop-by-place portfolio problem rather than a promise that every current crop shifts uniformly north. A suitability map can identify questions for cultivar trials and supply-chain planning.

CAVEATS / UNCERTAINTY

These are climatic and biophysical suitability scenarios, not observed yield, farm profit, water availability, market adoption or labor feasibility. Crop occurrence records and future climate-model choices shape the outputs.

SOURCE

Regional Environmental Change — 29 Oct 2026
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Fine-scale suitability modeling projected gains for legumes but declines for some other crops, with sharp regional variation.

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Asia

A major restoration program lifted modeled household resilience unevenly

Evidence
Peer-reviewed quasi-experimental policy evaluation
Geography
Shan-Shui ecological restoration project regions, China
System
Working lands, restoration policy and rural livelihoods

WHAT THE EVIDENCE SAYS

Yang and colleagues linked 76,443 household-year observations to staggered Shan-Shui project exposure. Their adjusted difference-in-differences estimate was 0.161 on a resilience index, about 2.7% of the mean, with reported robustness checks and unequal effects across household circumstances.

WHY IT MATTERS / OUR READ

Ecological restoration can produce social benefits without distributing them equally; ownership, connectivity and capacity affect who can convert new resources into durable livelihoods.

CAVEATS / UNCERTAINTY

Administrative project exposure is coarse and the resilience index embeds economic measures; this does not separately verify site-level ecological recovery or rule out all confounding.

SOURCE

Frontiers in Sustainable Food Systems — Yang et al. (2026)
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China household-panel analysis found a modest association stronger among families with greater assets.

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Peer-reviewed Latin America & Caribbean

Cover crops helped some tropical vegetable soils more quickly than others

Evidence
Peer-reviewed
Geography
Guánica and Santa Isabel, southern Puerto Rico; commercial vegetable fields
System
Semi-arid tropical vegetable soils; cover crops; rotation management

WHAT THE EVIDENCE SAYS

Researchers compared leguminous or mixed cover-crop rotations with volunteer-vegetation controls during two to three annual commercial vegetable cycles. Their 16 soil indicators revealed improvements in some carbon, organic matter and biological activity measures, most clearly on sandier or loamier farms, with slower or less consistent change on clay-rich sites.

WHY IT MATTERS / OUR READ

Management read: choose comparable field blocks and track particulate/oxidizable carbon, respiration, nutrient availability, infiltration and crop outcomes over multiple cycles. Soil texture and starting conditions should help decide what success looks like before expanding a rotation program across a property.

CAVEATS / UNCERTAINTY

These are short-term field comparisons at limited farms and soils, not proof that a named cover crop universally improves yield, soil carbon persistence or profitability. Weather, management intensity and site history may influence responses.

SOURCE

Frontiers in Soil Science · southern Puerto Rico commercial-farm cover-crop study
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Commercial-farm observations in Puerto Rico link rotations to soil-health changes that depend on soil texture and initial condition.

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Peer-reviewed Latin America & Caribbean

Exotic axis deer appeared more behaviorally flexible than native brocket deer

Evidence
Peer-reviewed
Geography
Entre Ríos, Argentina
System
Espinal native and riparian forests; ungulate coexistence

WHAT THE EVIDENCE SAYS

From July 2022 to January 2024, camera traps at La Esmeralda documented higher relative detection of introduced Axis axis and broader activity times than native Subulo gouazoubira, which was more consistently crepuscular. Temporal overlap remained high; the researchers noted possible habitat competition rather than documenting it experimentally.

WHY IT MATTERS / OUR READ

Long-term invasion assessments need to track native species, productive-landscape exposure and time-of-day habitat use, not simply abundance of the newcomer.

CAVEATS / UNCERTAINTY

Only two camera stations served each habitat type at one protected area. Relative detections and modeled local densities are not regional population trajectories, and competition remains an inference.

SOURCE

Discover Life — primary camera-trap study
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Camera traps in an Argentine protected area found more axis deer records and broader activity timing, but did not demonstrate competitive displacement.

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Peer-reviewed Asia

Cropland expansion may cross nonlinear drought-risk thresholds in an agro-pastoral ecotone

Evidence
Peer-reviewed
Geography
Horqin Sandy Land, northern China
System
Agro-pastoral ecotone

WHAT THE EVIDENCE SAYS

Across 50 spatial grids spanning a broad cultivated-land fraction, the study identified nonlinear breakpoints between cropland expansion and drought-related indicators. At high cultivated fractions, modeled drought stress and drought–heat co-occurrence increased sharply rather than changing in a simple linear way.

WHY IT MATTERS / OUR READ

Land conversion can create threshold behavior that is invisible to average trend lines. That is relevant to working-land planning because landscape composition may alter climate vulnerability before a conventional land-use cap is reached.

CAVEATS / UNCERTAINTY

This is a space-for-time observational analysis rather than a controlled longitudinal conversion experiment. Reported thresholds are model-dependent and should not be treated as universal regulatory breakpoints.

SOURCE

Ecological Processes — primary spatial risk study
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A space-for-time analysis in northern China found drought and compound heat–drought risk increasing nonlinearly as cultivated land occupied more of the landscape.

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Africa

Open glades may use herbivores to hold back woody regrowth

Evidence
Peer-reviewed experimental exclosure study
Geography
South African woody-encroached savanna
System
Savanna / woody encroachment and browsing

WHAT THE EVIDENCE SAYS

Researchers opened 24-by-24-metre glades at six sites and fenced paired subplots. Grazers and browsers selected clearings in fine-leaved woodland more than broad-leaved stands. Browsing after one growing season kept resprouting shoots relatively short, but preference depended strongly on tree type.

WHY IT MATTERS / OUR READ

For managers, clearing is the first disturbance, not a completed regime. Test herbivore visitation, resprout height, plant composition and costs by woody species before extrapolating small-glade designs.

CAVEATS / UNCERTAINTY

Only six sites and one growing season; no evidence yet that grazing feedback will keep glades open without future maintenance over multiple years.

SOURCE

Journal of Applied Ecology · paired clearing/exclosure experiment
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Paired exclosures suggest a savanna-clearing response depends on woody species identity and browsers' preferences.

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Africa

Pastoral grazing increased local richness while making sites more alike

Evidence
Peer-reviewed comparative field study
Geography
Greater Serengeti–Mara, Tanzania
System
Savanna / pastoral rangelands

WHAT THE EVIDENCE SAYS

Across nine sites, grazed plots had 71% higher alpha diversity, with especially strong forb responses, but lower beta diversity. Maasai grazed areas recorded 210 species versus 212 in the park, including 85 unique to pastoral lands.

WHY IT MATTERS / OUR READ

Mosaics of differently managed grazing areas can be valuable even when grazing homogenizes sites. Conservation decisions should track scale, local rights and community stewardship.

CAVEATS / UNCERTAINTY

Observational contrasts represent an existing pastoral system, not an experiment testing any new grazing intensity; fire and rainfall histories also differ.

SOURCE

Ecological Applications · original field study
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Greater Serengeti–Mara grazing effects change sign when the biodiversity metric changes.

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North America

Groundcover restoration can compete with natural longleaf pine regeneration

Evidence
Peer-reviewed long-term field restoration study
Geography
Southeastern United States
System
Longleaf pine / native groundcover restoration

WHAT THE EVIDENCE SAYS

A seven-year longleaf-pine restoration study in former cropland found successful establishment of native groundcover after seeding, while groundcover, light conditions and seeding history also influenced natural longleaf pine regeneration. The results expose a practical interaction between two desired restoration components.

WHY IT MATTERS / OUR READ

Restoration objectives can compete even when both are ecologically desirable. Managers trying to rebuild both diverse groundcover and a self-replacing pine overstory may need to sequence treatments, retain microsites or monitor regeneration rather than assume progress on one layer guarantees progress on the other.

CAVEATS / UNCERTAINTY

The study reflects particular longleaf restoration sites and a seven-year window. Natural regeneration depends on seed availability, overstory structure, fire and weather as well as groundcover, so the observed tradeoff is a management consideration rather than a universal rule.

SOURCE

Restoration Ecology
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Seven years after native-groundcover seeding in former cropland, restored herbaceous cover improved one restoration target while changing light and establishment conditions for naturally regenerating longleaf pine.

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Africa

Tanzanian agroforestry supported many insects without producing the highest measured diversity

Evidence
Peer-reviewed field community study
Geography
Dodoma, Tanzania
System
Semi-arid agricultural / agroforestry landscape

WHAT THE EVIDENCE SAYS

Researchers recorded 2,889 surface-active insects representing 53 species and 14 orders across transformed semi-arid habitats. Agroforestry ranked high in abundance but not in measured richness or diversity, and the overall habitat-composition PERMANOVA was not significant, even though within-habitat dispersion differed.

WHY IT MATTERS / OUR READ

The useful signal is to resist treating 'agroforestry' as a guaranteed biodiversity outcome. Habitat structure, management and the taxa actually sampled matter, and abundance can rise without a corresponding increase in richness or community distinctness.

CAVEATS / UNCERTAINTY

Sampling was limited to one season, pitfall traps emphasize surface-active insects, and replication was modest. The study does not evaluate all pollinators or ecosystem functions, and a nonsignificant community-level test does not prove habitats are ecologically equivalent.

SOURCE

Frontiers in Conservation Science
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Pitfall sampling near Dodoma recorded substantial insect abundance in agroforestry, but measured richness/diversity did not make it the clear winner and overall community composition differences among habitats were not statistically significant.

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North America

Dryland mine reclamation improved when surface structure, native seeding and biocrust restoration targeted different limits

Evidence
Peer-reviewed five-year field experiment
Geography
Kanab North Mine, northern Arizona, USA
System
Dryland mine reclamation / Colorado Plateau

WHAT THE EVIDENCE SAYS

A fully crossed five-year reclamation experiment tested surface-modifying structures, native-only seed and biocrust inoculation at a former uranium mine. Surface structures improved vegetation cover and soil stability, native seeding increased native and perennial cover, and inoculated biocrust persisted most clearly where the surface structures created favorable microsites.

WHY IT MATTERS / OUR READ

The treatments were doing different jobs. That is useful for managers because dryland reclamation often fails when a single intervention is expected to solve establishment, erosion and soil-surface recovery at once. Designing treatment packages around the limiting processes may be more defensible than asking which single treatment 'works.'

CAVEATS / UNCERTAINTY

Results come from one dryland mine setting and five years of recovery. Costs, installation logistics, precipitation sequence and local soils can alter performance, and persistence of biocrust or plant cover does not by itself establish full ecosystem recovery. The study does not imply that every disturbed dryland needs all three interventions.

SOURCE

U.S. Geological Survey
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A five-year Arizona mine experiment found that physical microsites, native seeding and biocrust inoculation affected different pieces of recovery—arguing for treatment packages rather than one restoration lever.

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Peer-reviewed North America

For monarch habitat on rangelands, the grazing regime changed milkweed more consistently than it changed every floral resource

Evidence
Peer-reviewed
Geography
Central North Dakota, USA
System
Northern Great Plains rangeland

WHAT THE EVIDENCE SAYS

Comparing modified twice-over rest-rotation, patch-burn and season-long grazing in 2021–2022, researchers found higher milkweed abundance under modified rest-rotation. Floral resources showed a strong year-by-regime interaction, including a drought-driven collapse and rebound in patch-burn pastures. Adult and juvenile monarch abundance correlated positively with milkweed.

WHY IT MATTERS / OUR READ

The result makes disturbance timing and drought context part of pollinator-habitat management rather than treating grazing systems as fixed labels.

CAVEATS / UNCERTAINTY

Two years at one research landscape cannot establish a universal grazing prescription or demographic benefit to monarch populations. Milkweed abundance and observed monarch counts are not equivalent to population growth.

SOURCE

Frontiers in Ecology and Evolution
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A two-year North Dakota comparison found more milkweed under modified rest-rotation grazing, while drought created a strong year-by-regime response in flowers.

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Peer-reviewed

Three years of pasture management changed phosphorus recycling more clearly than conventional soil tests

Evidence
Peer-reviewed
Geography
Canterbury, New Zealand
System
Temperate grazed pasture

WHAT THE EVIDENCE SAYS

Across a three-year experiment comparing multispecies regenerative and conventional pasture systems under two phosphorus regimes, most labile soil-P tests showed little management effect. Animal intake and dung return changed across years and treatments, and ordination was driven more by sampling date than treatment; the authors interpret a late biological signal cautiously.

WHY IT MATTERS / OUR READ

A management label can move nutrient pathways without quickly moving the soil test a manager is accustomed to reading. Nutrient cycling needs to be followed through plants, animals and microbes as well as bulk soil pools.

CAVEATS / UNCERTAINTY

This is one temperate pasture experiment and treatment differences included several management components. Some effects emerged late or inconsistently, and the authors explicitly treat the microbial signal as an early indicator rather than established treatment proof.

SOURCE

Nutrient Cycling in Agroecosystems
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In a grazed New Zealand experiment, seasonal and animal-mediated phosphorus pathways diverged while most labile soil-P measures stayed relatively insensitive to management.

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Peer-reviewed

Mongolia’s dzud risk is a coupled climate–rangeland–market problem, not a winter-weather problem alone

Evidence
Peer-reviewed
Geography
Mongolia
System
Dryland rangelands / mobile pastoralism

WHAT THE EVIDENCE SAYS

An integrated climate–rangeland–society model reproduced historical livestock mortality, hay production and herd size reasonably well, then projected intensifying dzud risk into the 2030s under baseline pathways. In the modeled export-enhanced pathways, herd pressure falls and annual livestock mortality is reduced from roughly 8–11 million sheep units to about 1–3 million.

WHY IT MATTERS / OUR READ

The important mechanism is coupled vulnerability: summer drought, winter exposure, forage reserves, stocking pressure, markets and governance interact. Adaptation therefore cannot be reduced to better weather forecasting or emergency hay alone; the herd and market system changes the ecological risk.

CAVEATS / UNCERTAINTY

This is a national scenario model, not a field trial of export policy. Household heterogeneity, market access, infrastructure, prices and distributional effects remain consequential, and the modeled pathway should not be read as a universal prescription for pastoral systems.

SOURCE

npj Sustainable Agriculture
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A national model projects sharply higher livestock losses under baseline pathways, while scenarios that constrain overstocking through stronger export pathways substantially reduce modeled mortality.

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