?1) Intertidal species
According to an survey in 1984, intertidal species in Hebei Province amount to 163， including 20 kinds of polychaetes， 25 univalves, 33 bivalves, 41 Crustaceans, 16 algaes, four coelenteratas two echinoderms, and nine fish.
7 kinds of seashells found in Hebei have great economic value, including Cyclina sinensis, Potamocorbula laevis, and Umbonium thomasi. The following chart shows some detailed information about the four main seashells:
|
Name |
distribution area |
total resources |
|
mactra veneriformis |
23,200 mu |
3,821 ton |
|
clams |
35,000 mu (21,000 mu available for mudflat aquaculture) |
2,613 ton |
|
Ostrea talienwhanensis |
1,964 mu |
1,473 ton |
|
Moerella iridescens |
512,000 mu |
1, 300 ton |
There are also a variety of crabs.
2) Epibenthic species
There are 206 Epibenthic species found in Hebei, including 79 molluscs, 50 crustaceans, 31 polychaete, 15 echinoderms, 11 fish, 8 coelenterata, 5 chordates, one brachiopod, two beneficial insect, one nemertean and Sipunculus.
3) Pelagic eggs and larval fish
There are 48 pelagic eggs and larval fish belonging to 27 orders of 10 families.
4) Nektons
101 kinds of nektons was found in Hebei in 1984, of which 86 are fish, with the total amount of 45456 ton, and 15 invertebrates, with the amount of 6825 ton.
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