RESEARCH BASE

Search 3,721 documents across 34 fields — every claim tier-rated by evidence

3,721 Documents 34 Sections 43,625 Citations 34,852 Keywords Indexed 4 Evidence Tiers

3,633 are the core, quality-scored corpus (34 lettered sections — see How We Work); the remaining 88 are cross-corpus synthesis documents (68 InterDocs, 12 Connections, 8 Theories) also indexed here.

3,621 results for "War on Drugs" — page 47 of 182

ZB_1_07 Verified Ecology & Biology

ZB_1_07 — Echolocation: Biological Sonar in Bats, Dolphins, and Beyond

Echolocation — the ability to perceive the environment by emitting sounds and analyzing returning echoes — has evolved independently in bats, toothed whales (dolphins, porpoises, sperm whales), some birds (oilbirds, swif

echolocation biosonar bat echolocation dolphin echolocation ultrasound sonar
ZB_5_14 Verified Ecology & Biology

ZB_5_14 — Conservation Biology

Conservation biology — the scientific study of biodiversity loss and the methods to protect species, habitats, and ecosystems — was formally established as a discipline by Michael Soulé (University of California, San Die

conservation biology biodiversity endangered species habitat fragmentation minimum viable population extinction vortex
ZB_5_25 Verified Ecology & Biology

ZB_5_25 — Animal Migration: Navigation, Endurance, and Ecological Connectivity

Animal migration — the seasonal, round-trip movement of populations between distinct habitats — represents some of the most extraordinary feats of endurance, navigation, and sensory capability in biology. Arctic terns (S

animal migration navigation magnetoreception bird migration monarch butterfly wildebeest
ZB_5_15 Verified Ecology & Biology

ZB_5_15 — Citizen Science in Ecology: Participatory Research and Large-Scale Biodiversity Monitoring

Citizen science — the participation of non-professional volunteers in scientific research — has become an indispensable component of modern ecology, generating datasets of unprecedented spatial and temporal scale that no

citizen science community science participatory research biodiversity monitoring eBird iNaturalist
ZB_5_13 Verified Ecology & Biology

ZB_5_13 — Ecological Economics: Valuing Nature's Services

Ecological economics is a transdisciplinary field that treats the human economy as a subsystem embedded within — and fundamentally dependent upon — the finite biophysical systems of the Earth, challenging the neoclassica

ecological economics ecosystem services natural capital steady-state economy externalities Costanza
ZB_5_09 Verified Ecology & Biology

ZB_5_09 — Phenology: Seasonal Timing in Nature

Phenology — the study of the timing of recurring biological events (leaf-out, flowering, fruiting, autumn senescence, insect emergence, bird migration, amphibian breeding) in relation to seasonal and climatic drivers — h

phenology seasonal timing climate change mismatch first bloom migration timing
ZB_5_01 Verified Ecology & Biology

ZB_5_01 — Biological Rhythms Beyond Circadian

While circadian (~24-hour) rhythms are the best-studied biological oscillations (2017 Nobel Prize to Hall, Rosbash, Young), life is permeated by rhythms operating across all timescales — from millisecond neural oscillati

biological rhythms ultradian rhythms infradian rhythms circannual rhythms tidal rhythms lunar rhythms
ZB_5_16 Verified Ecology & Biology

ZB_5_16 — Ecosystem Services Quantification

Ecosystem services quantification attempts to assign monetary or biophysical values to the benefits that natural systems provide to humanity — including pollination, water purification, carbon sequestration, flood regula

ecosystem-services natural-capital pollination-value TEEB payment-for-ecosystem-services biodiversity-economics
ZB_5_08 Verified Ecology & Biology

ZB_5_08 — Seed Ecology: Dispersal, Dormancy, and Germination

Seed ecology encompasses the study of how seeds are produced, dispersed, stored, and germinated — processes that fundamentally shape plant population dynamics, community composition, vegetation patterns, and ecosystem st

seed dispersal seed bank dormancy germination masting seed predation
ZB_5_05 Verified Ecology & Biology

ZB_5_05 — Extinction Biology and De-Extinction

Extinction — the complete disappearance of a species — is a permanent event that has shaped life's history as profoundly as origination. Background extinction (the normal, continuous loss of species) proceeds at ~0.1–1 s

extinction mass extinction background extinction de-extinction resurrection biology passenger pigeon
ZB_5_17 Verified Ecology & Biology

ZB_5_17 — Constructal Law & Flow Architecture: Why Nature Branches the Way It Does

Most fractal descriptions of nature are descriptive: they observe that rivers branch like blood vessels, blood vessels branch like trees, trees branch like lightning bolts, and lightning bolts branch like river deltas. A

constructal law Adrian Bejan flow architecture branching networks Murray's law river delta
ZB_5_06 Verified Ecology & Biology

ZB_5_06 — Mass Extinction Ecology: Catastrophe, Recovery, and Evolutionary Reset

Mass extinctions — episodes in which >75% of species disappear within a geologically brief interval — have profoundly shaped the history of life on Earth, acting as ecological and evolutionary resets that eliminate domin

mass extinction Big Five Cretaceous-Paleogene Permian-Triassic recovery ecology extinction selectivity
ZB_5_04 Verified Ecology & Biology

ZB_5_04 — Epigenetics in Ecology and Evolution

Epigenetics — heritable changes in gene expression that do not involve changes to the DNA sequence — has transformed understanding of how organisms respond to environmental conditions, develop, and potentially transmit a

epigenetics DNA methylation histone modification transgenerational inheritance ecological epigenetics phenotypic plasticity
ZB_5_12 Verified Ecology & Biology

ZB_5_12 — Wildlife Disease Ecology: Pathogens in Wild Populations

Wildlife disease ecology examines how infectious diseases (caused by viruses, bacteria, fungi, protists, and metazoan parasites) operate within wild animal and plant populations, investigating transmission dynamics, host

wildlife disease epizootic chytrid fungus white-nose syndrome zoonosis spillover
ZB_4_04 Verified Ecology & Biology

ZB_4_04 — Flight Evolution

Powered flight has evolved independently at least four times in the history of life — in insects (~350 Ma), pterosaurs (~230 Ma), birds (~150 Ma), and bats (~55 Ma) — making it one of evolution's most spectacular converg

flight evolution powered flight gliding insect wing feathered dinosaur pterosaur
ZB_4_11 Verified Ecology & Biology

ZB_4_11 — Island Ecology: Biogeography, Endemism, and Evolutionary Radiation

Island ecology — centered on the theory of island biogeography developed by Robert MacArthur and Edward O. Wilson (1963, 1967) — provides one of ecology's most influential theoretical frameworks, explaining how species d

island biogeography MacArthur-Wilson species-area relationship adaptive radiation endemism endemic species
ZB_4_08 Verified Ecology & Biology

ZB_4_08 — Rewilding and Ecological Restoration

Rewilding is an emerging approach to conservation that aims to restore self-sustaining, self-regulating ecosystems by reintroducing missing species — particularly large vertebrates and ecological engineers — and allowing

rewilding ecological restoration trophic rewilding Pleistocene rewilding ecosystem recovery reintroduction
ZB_4_14 Credible Ecology & Biology

ZB_4_14 — Acoustic Ecology: Soundscape Science and Biophonic Monitoring

Acoustic ecology — the study of the relationship between living organisms and their sonic environment — has evolved from an artistic and philosophical discipline into a quantitative ecological science with major conserva

acoustic ecology soundscape biophony Bernie Krause ecoacoustics noise pollution
ZB_4_15 Credible Ecology & Biology

ZB_4_15 — Urban Wildlife Genomics: Rapid Evolution in the Anthropocene City

Cities — covering only ~3% of Earth's land surface but housing >55% of humanity — are emerging as powerful natural laboratories for studying rapid evolution in real time. Urban wildlife genomics investigates how the extr

urban-evolution wildlife-genomics urban-adaptation heat-island pollution-adaptation urban-speciation
ZB_3_07 Verified Ecology & Biology

ZB_3_07 — Keystone Species and Trophic Cascades

A keystone species exerts an ecological influence disproportionate to its abundance — its removal causes cascading structural changes through the ecosystem. The concept was introduced by Robert Paine (1966, 1969) based o

keystone species trophic cascade top-down regulation food web apex predator ecological engineer