Bach Long Vi Island
IUCN Not ReportedMarine Protected Area · 2002
914 km²
City · vnm
Hải Phòng
Vietnam
CwaTemperate, dry winter, hot summer(100 %)
Species observed
309
Observations
542
Area
1 400,1km²
Ecological tissue
Sample of 43 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Hải Phòng : 37 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 54 interactions GloBI sur 4 types (connectance 5.5%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
45
Interactions affichées
54
Connectance
0.054
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
309 distinct species · 542 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
24,0°C
Annual rain
1 840mm
Warmest m°
31,2°C
Coldest m°
14,4°C
Elevation: 11 m on average (min -27 m, max 158 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
24,0°C
Annual rain
1 840mm
Warmest month
31,2°C
Coldest month
14,4°C
Mean alt.
11m
Min
-27m
Max
158m
Std. dev.
27m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, hot summer(100 %)Temperate
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,1
Org. C
25,7g/kg
Clay
35,0%
Sand
29,5%
Silt
35,5%
Average over 0-30 cm. Per-depth details in expert panel.
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,1
Org. C
33,3g/kg
Clay
34,1%
Sand
30,0%
Silt
36,0%
5–15 cm
pH H₂O
6,1
Org. C
23,8g/kg
Clay
34,0%
Sand
29,9%
Silt
36,1%
15–30 cm
pH H₂O
6,1
Org. C
20,0g/kg
Clay
37,0%
Sand
28,6%
Silt
34,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest15.0%
Crops30.8%
Built-up6.4%
Bare soil1.6%
Other (grassland, water…)46.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology9 basins · 22 lakes · 20 rivers
Hydrology metrics for this exact territory
Stream length here
245,4km
Lake surface here
14,41km²
Basins crossed
9
Max stream order
6
Max drainage
13 208km²
Discharge in basins
79,0m³/s
Mean precip.
1 690mm/an
Mean T°
24,0°C
Moisture idx
0,26
Mean runoff
793mm/an
Mean elev. (basins)
24m
Watersheds crossing here
- Bassin de Sông Lạch Traysub-area345,2 km²overlap317.72 km²23%
- Bassin de Sông Luộcsub-area1 938,9 km²overlap260.25 km²19%
- Bassin de Sông Kinh Thầysub-area789,7 km²overlap194.08 km²14%
- Bassin de Sông Uôngsub-area1 443,1 km²overlap193.66 km²14%
- Bassin de Sông Thái Bìnhsub-area711 km²overlap161.39 km²12%
- Bassin de Sông Giásub-area153,7 km²overlap152.75 km²11%
- Bassin de Sông Văn Úcsub-area50,1 km²overlap49.56 km²4%
- Bassin de Sông Đá Bạcsub-area360,1 km²overlap29.11 km²2%
- Bassin de Suối Lộ Phongsub-area1 610,1 km²overlap2.83 km²0%
Lakes (22, top by area)
- Lake #78124area4,3 km²avg depth0.6 m
- Lake #78118area2 km²avg depth0.8 m
- Lake #78132area1,2 km²avg depth0.9 m
- Lac 1391509area0,7 km²avg depth1.8 m
- Lac 1391547area0,6 km²avg depth1.5 m
- Lac 1391707area0,5 km²avg depth1.6 m
- Lac 1391352area0,5 km²avg depth2.1 m
- Lac 1391554area0,5 km²avg depth1.2 m
- Lac 1391562area0,5 km²avg depth1.1 m
13 more lakes
- Lac 1391622area0,5 km²avg depth6.6 m
- Lac 1391709area0,5 km²avg depth1.5 m
- Lac 1391359area0,4 km²avg depth4.3 m
- Lac 1391713area0,4 km²avg depth1.5 m
- Lac 1391560area0,4 km²avg depth1.1 m
- Lac 1391574area0,3 km²avg depth1.7 m
- Lac 1391623area0,3 km²avg depth7.0 m
- Lac 1391367area0,3 km²avg depth5.1 m
- Lac 1391616area0,3 km²avg depth1.8 m
- Lac 1391553area0,3 km²avg depth1.5 m
- Lac 1391559area0,2 km²avg depth1.8 m
- Lac 1391602area0,2 km²avg depth1.5 m
- Lac 1391361area0,1 km²avg depth6.2 m
Rivers / streams (20, ord ≥ 4)
- Sông Lạch Trayord 2len here36.79 km93%total40 km
- Sông Cấmord 4len here36.26 km99%total37 km
- Sông Thái Bìnhord 4len here31.11 km100%total31 km
- Sông Văn Úcord 6len here30.50 km77%total39 km
- Sông Giáord 2len here29.93 km100%total30 km
- Sông Đa Độord 3len here21.25 km100%total21 km
- Sông Hóaord 4len here20.28 km54%total38 km
- Sông Luộcord 4len here10.24 km8%total133 km
- Sông Kinh Thầyord 4len here8.33 km13%total65 km
- Sông Đa Độord 1len here4.61 km100%total5 km
- An Hồng - An Hưngord 1len here3.95 km100%total4 km
- Sông Kinh Mônord 2len here2.86 km13%total22 km
8 more river segmentssorted by Strahler order + length
- Sông Míaord 1len here2.38 km48%total5 km
- Sông Lạch Trayord 1len here1.81 km71%total3 km
- Sông Đá Bạcord 3len here1.56 km10%total16 km
- Sông Văn Úcord 1len here1.38 km100%total1 km
- Sông Heord 1len here1.38 km100%total1 km
- Sông Văn Úcord 1len here0.69 km100%total1 km
- Kênh Cái Trápord 1len here0.05 km3%total2 km
- Sông Cầu Xeord 2len here≈ tangenttotal13 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
11hab/km²
Night light
5,3nW
Built-up
642,4%
Pesticides
8,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas7
IUCN Not Reported · 3IUCN Not Applicable · 2IUCN II · 1IUCN V · 1🌊 Marine · 7
Ha Long Bay - Cat Ba Archipelago
IUCN Not ApplicableWorld Heritage Site (natural or mixed) · 1994
674 km²
Ha Long Bay
IUCN Not ReportedCultural and Historical Site · 1962
402 km²
Dao Cat Ba
IUCN Not ReportedMarine Protected Area · 2002
387 km²
Cat Ba
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve · 2004
263 km²
Cat Ba
IUCN IINational Park · 1986
116 km²
Complete list7 protected areas
- Bach Long Vi IslandMarine Protected AreaIUCN Not Reported2002914 km²
- Ha Long Bay - Cat Ba ArchipelagoWorld Heritage Site (natural or mixed)IUCN Not Applicable1994674 km²
- Ha Long BayCultural and Historical SiteIUCN Not Reported1962402 km²
- Dao Cat BaMarine Protected AreaIUCN Not Reported2002387 km²
- Cat BaUNESCO-MAB Biosphere ReserveIUCN Not Applicable2004263 km²
- Cat BaNational ParkIUCN II1986116 km²
- Do SonCultural and Historical SiteIUCN V198615 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
Sub-administrations73
- An DươngCommune
- An HưngCommune
- An HồngCommune
- An LãoCommune
- An TháiCommune
- An ThắngCommune
- An ThọCommune
- An TiếnCommune
- An ĐồngCommune
- Bát TrangCommune
- Bạch Long VĩCommune
- Bắc HưngCommune
- Cao MinhCommune
- Chiến ThắngCommune
- Cát BàCommune
- Cát HảiCommune
- Cấp TiếnCommune
- Cổ AmCommune
- Cộng HiềnCommune
- Dũng TiếnCommune
- Dương KinhUrban District
- Gia LuậnCommune
- Giang BiênCommune
- Hiền HàoCommune
- Hoàng ChâuCommune
- Hùng TiếnCommune
- Hưng NhânCommune
- Hải AnUrban District
- Hồng BàngUrban District
- Khởi NghĩaCommune
- Kiến AnUrban District
- Kiến ThiếtCommune
- Kiến ThuỵDistrict
- Liên AmCommune
- Lê ChânUrban District
- Lê ThiệnCommune
- Lý HọcCommune
- Nam SơnCommune
- Nghĩa LộCommune
- Ngô QuyềnUrban District
- Nhân HoàCommune
- Quyết TiếnCommune
- Tam CườngCommune
- Tam ĐaCommune
- Thuỷ NguyênDistrict
- Thắng ThuỷCommune
- Tiên CườngCommune
- Tiên LãngCommune
- Tiên MinhCommune
- Tiên ThắngCommune
- Trung LậpCommune
- Trân ChâuCommune
- Trường SơnCommune
- Trường ThọCommune
- Trấn DươngCommune
- Tân LiênCommune
- Tân ViênCommune
- Tây HưngCommune
- Việt HảiCommune
- Việt TiếnCommune
- Văn PhongCommune
- Vĩnh BảoCommune
- Vĩnh LongCommune
- Vĩnh TiếnCommune
- Xuân ĐámCommune
- Đoàn LậpCommune
- Đại BảnCommune
- Đại ThắngCommune
- Đặng CươngCommune
- Đồ SơnUrban District
- Đồng BàiCommune
- Đồng MinhCommune
- Đồng TháiCommune