Wildlife of
Tianjin Shi

Historically a temperate plain mosaic of grassland/steppe-like communities and open woodlands on the North China Plain; today largely converted to cropland and built-up land with grassland elements persisting in field margins, embankments, and managed greenspaces.

Historically widespread across the interior plain; now mostly replaced-natural/semi-natural patches are limited and fragmented.

Temperate broadleaf and mixed forest elements persist mainly as small remnant stands, planted shelterbelts, riparian groves, and managed urban/peri-urban woodlands rather than large continuous forests.

Low; scattered and highly fragmented, most common in peri-urban parks, shelterbelts, and riparian strips.

Hai River system channels, regulated waterways, reservoirs, and extensive ponds/aquaculture create a dense freshwater-brackish network important for fish, amphibians, and migratory birds (especially where water quality and reedbeds persist).

Common as a network across the municipality (rivers/canals/ponds), but natural freshwater habitat quality varies widely.

Coastal and delta wetlands (saltmarsh, reedbeds, brackish lagoons, tidal flats) at Bohai Bay and the Hai River mouth support migratory birds on the East Asian-Australasian Flyway, including protected Beidagang and Qilihai.

Regionally significant but spatially limited; concentrated in Binhai New Area coast and deltaic lowlands.

Shallow, turbid nearshore marine environment of Bohai Bay with soft-sediment seabed, estuarine mixing, and productive coastal fisheries; influenced by heavy shipping/port activity and coastal engineering.

Along Tianjin's Bohai Bay coastline and adjacent nearshore waters; marine area is limited to the coastal fringe of the municipality.

Dense urban and industrial landscapes (central Tianjin and port/industrial zones) with engineered waterways, parks, and brownfield mosaics; strong heat-island and pollution pressures.

Expanding peri-urban belt with mixed residential, light industry, canals, and planted greenbelts; often transitional with agriculture and aquaculture.

Intensive cropland on the North China Plain (wheat-maize rotation common) with drainage/irrigation canals; biodiversity mainly in margins, shelterbelts, and drainage ditches.

Mostly planted or managed tree cover (shelterbelts, parks, roadside plantings) rather than extensive natural forest.

Remnant temperate broadleaf stands and riparian groves; often secondary or planted and fragmented.

Scattered small woodlots, windbreaks, and mixed tree belts across agricultural/urban matrices.

Limited semi-natural grass cover on embankments, fallow patches, and coastal levees; more commonly managed turf/green space.

Hai River and associated regulated channels/canals; important corridors but often engineered with variable habitat complexity and water quality.

Primarily reservoirs and managed lakes used for water storage, recreation, and flood control; natural lakes are limited.

Widespread aquaculture ponds and small impoundments in lowlands; key for some waterbirds but highly managed.

Reedbeds, brackish lagoons, and deltaic wetland mosaics (notably in coastal lowlands and protected wetland areas).

Coastal saltmarsh and freshwater/brackish marshes with reeds and sedges; critical bird habitat where hydrology is maintained.

Hai River estuarine zone with strong salinity gradients and sediment dynamics; influenced by dredging and port infrastructure.

Bohai Bay shoreline including engineered seawalls, reclaimed land edges, and remaining natural coastal wetland fringes.

Limited natural sandy stretches; many shore segments are modified or armored.

Nearshore Bohai Bay waters (shallow, semi-enclosed, high turbidity) rather than true open-ocean conditions.

Soft-sediment (mud/silt) benthic habitats in Bohai Bay supporting invertebrate communities and demersal fish; impacted by trawling, eutrophication, and contaminants.