Table 3 Comparison of benthic calanoid egg abundances across latitudinal gradients.
Study site | Latitude | Sediment depth | Egg isolation method | Range of benthic egg abundances | Species | References |
|---|---|---|---|---|---|---|
Sällvik, Baltic Sea (Finland) | 60°1’N | top 10 cm | sugar floating | 26.3 × 104 eggs m− 2 | Acartia spp., Eurytemora affinis, Limnocalanus macrurus, Temora longicornis | |
Seine Estuary, Normandy (France) | 49°40’N | top 10 cm | sugar floating | 123–276 × 104 eggs m− 2 | Eurytemora affinis, Temora longicornis | |
Seine Estuary, Normandy (France) | 49°40’N | top 10 cm | sugar floating | 60-2330 × 104 eggs m− 3 | Eurytemora affinis, Temora longicornis, Acartia spp. | |
Tyrrhenian, Ionian, and Adriatic Seas (Italy) | 45°04’N-42°18’N | top 10 cm | sugar floating | 0.16–119 × 104 eggs m− 2 | Acartia, Labidocer, Centropages spp. | |
Bilbao and Mundaka Estuaries, Biscay (Spain) | 43°23’N-43°20’N | top 70 to 80 cm | sugar floating | 0.8–16 × 104 eggs m− 2 | Acartia spp., Centropages spp. | |
Pettaquamscutt Estuary, Rhode Island (USA) | 41°48’N | top 12 cm | sugar floating | 0-0.014 × 104 eggs m− 2 | Tortanus discaudatus, Acartia hudsonica, Eurytemora affinis | |
Northern California coastal waters (USA) | 38°46’N-38°26’N | top 10 cm | sugar floating | 12–19 × 104 eggs m− 2 | Acartia clausi, Tortanus discaudatus | |
Bahía Blanca Estuary (Argentina) | 38°44’S-38°50’S | surface | sieveing | 0-789 × 104 eggs m− 2 | Eurytemora americana, Acartia tonsa | |
Massan Bay (Korea) | 35°12’N | top 10 cm | sieveing | 59–149 × 104 eggs m− 2 | Acartia omorii, Acartia erythraea, and Centropages abdominalis, | |
Seto Inland Sea (Japan) | 34°22’N | surface | sieveing | 300–1000 × 104 eggs m− 2 | Tortanus forcipatus, Calanopia thompsoni, Acartia erythraea, Acartia clausi, Centropages abdominalis, Centropages yamadai | |
Alligator Harbor Region, Florida (USA) | 29°57’N | top 5 cm | sugar floating | 0-7.3 × 104 eggs m− 2 | Centropages hamatus | |
Xiamen Bay, Fujian (China) | 24°34’N-24°24’N | top 30 cm | sieveing | 0.23–0.39 × 104 eggs m− 2 | Acartia pacifica | |
Victoria Harbor, Hong Kong (China) | 22°20’N-22°10’N | top 40 cm | sieveing | 2.43–5.89 × 104 eggs m− 2 | Tortanus forcipatus | |
Tapong Bay, Pingtung (Taiwain) | 22°47’N-22°45’N | top 6 cm | sugar floating | 1.11–11.35 × 104 eggs m− 3 | Acartia cf. tsuensis | this study |
