Table 2 The numbers of biodiversity-loss species and families in different climate zones.

“Major family” represents a family with more species number in the relevant climate zone as shown in table S3.

Climate zoneAverage
precipitation
(mm)
Average
temperature
(°C)
Main
distribution area
Name of the major familyCorresponding
species number
Percentage of
total zone
Tropical
monsoon
climate (TRMC)
1500–2000Above 20Hainan Island,
southern Yunnan,
etc.
Fabaceae67.8%
Orchidaceae56.5%
Theaceae56.5%
Annonaceae45.2%
Subtropical
monsoon
climate (SMC)
1000–160014–2025°–35° north
latitude, widely
distributed in
south China
Orchidaceae11315.8%
Theaceae375.2%
Magnoliaceae314.3%
Cyprinidae304.2%
Pinaceae212.9%
Aquifoliaceae172.4%
Atyidae172.4%
Berberidaceae162.2%
Araliaceae152.1%
Cycadaceae121.7%
Apocynaceae111.5%
Aristolochiaceae111.5%
Cupressaceae111.5%
Taxaceae111.5%
Annonaceae101.4%
Temperate
monsoon
climate (TEMC)
400–8005–12Widely in north
and northeast
China
Orchidaceae1413.2%
Anatidae54.7%
Pinaceae54.7%
Plateau mountain
  climate (PMC)
300–5001–5Mainly
Qinghai-Tibetan
plateau
Orchidaceae2131.8%
Pinaceae69.1%
Berberidaceae46.1%
Taxaceae46.1%
Temperate
  continental
  climate (TCC)
100–4003–9Northwest ChinaOrchidaceae1619.3%
Gruidae56.0%
Pinaceae56.0%