Figure 1
Map of the Turkish Straits System with 20, 50, 100, 500, 1000 m isobaths. Abbreviations: K– coastal sites; Y – box-corer sites; BT, DT – trawls
Figure 2
Salinity values at sites Y1–Y10 in relation to depth
Table 1
The list of decapod species present in the Turkish Straits System. Abbreviations: C – Cystoseira barbata; P – Posidonia oceanica; M – Mytilus galloprovincialis; Z – Zostera marina; S – serpulid reef; R – rock, stone, gravel; B – box-core samples; T – trawl, * – new records for the sampling area
| Species | C | P | M | Z | S | R | B | T |
|---|---|---|---|---|---|---|---|---|
| Aegaeon lacazei (Gourret, 1887) | – | – | – | – | – | – | – | 4 |
| Alpheus macrocheles (Hailstone, 1835) | – | 20 | 8 | – | 185 | 20 | 3 | 1 |
| Athanas nitescens (Leach, 1813) | 5 | 76 | 382 | 1 | 1062 | 45 | 111 | – |
| Crangon crangon(Linnaeus, 1758) | – | – | – | – | – | – | – | 1 |
| Eualus cranchii (Leach, 1817) | – | 31 | 2 | – | 173 | – | – | – |
| Eusergestes arcticus (Krøyer, 1855) | – | – | – | – | – | – | – | 16 |
| Gennadas elegans (Smith, 1882) | – | – | – | – | – | – | – | 10 |
| Hippolyte inermis Leach, 1816 | 115 | – | – | 5 | – | 2 | – | – |
| Hippolyte leptocerus (Heller, 1863) | 10 | – | – | – | – | – | – | – |
| Hippolyte sp. | 92 | – | 13 | – | – | 43 | 8 | – |
| Nepinnotheres pinnotheres (Linnaeus, 1758) | – | – | – | – | – | 1 | – | – |
| Palaemon adspersus Rathke, 1837 | – | – | – | – | – | 21 | – | – |
| Palaemon elegans Rathke, 1837 | – | – | 1 | – | – | 765 | – | – |
| Palaemon longirostris H. Milne Edwards, 1837 | – | – | – | – | – | – | – | 25 |
| Palaemonetes sp. | – | – | – | – | – | 5 | – | – |
| Parapenaeus longirostris (Lucas, 1846) | – | – | – | – | – | – | – | 2898 |
| Pasiphaea sivado (Risso, 1816) | – | – | – | – | – | – | – | 10 |
| Philocheras sp. | – | – | – | – | – | – | 1 | – |
| Plesionika heterocarpus (A. Costa, 1871) | – | – | – | – | – | – | – | 2433 |
| Processa edulis (Risso, 1816) | 1 | 9 | 3 | 21 | 211 | 29 | 14 | – |
| *Processa elegantula Nouvel and Holthuis, 1957 | – | – | – | – | – | – | 4 | – |
| *Processa modica Williamson in Williamson and Rochanaburanon, 1979 | – | – | – | – | – | – | 1 | – |
| *Richardina fredericii Lo Bianco, 1903 | – | – | – | – | – | – | – | 10 |
| *Callianassa subterranea (Montagu, 1808) | – | – | – | – | – | – | 10 | – |
| Calocaris macandreae Bell, 1853 | – | – | – | – | – | – | 18 | 206 |
| *Gourretia denticulata (Lutze, 1937) | – | – | – | – | – | – | 1 | – |
| Pestarella tyrrhena (Petagna, 1792) | – | – | – | 6 | – | – | – | – |
| Polycheles typhlops Heller, 1862 | – | – | – | – | – | – | – | 1 |
| Upogebia pusilla (Petagna, 1792) | – | – | – | – | – | – | 104 | – |
| Anapagurus bicorniger A.Milne-Edwards and Bouvier, 1892 | – | 1 | – | – | 1 | – | 4 | – |
| Cestopagurus timidus (Roux, 1830) | – | – | – | – | – | 1 | – | – |
| Clibanarius erythropus (Latreille, 1818) | 1 | 7 | – | – | 1 | 24 | – | – |
| Diogenes pugilator (Roux, 1829) | – | – | – | 13 | – | 128 | 20 | – |
| Galathea intermedia Liljeborg, 1851 | – | 5 | – | – | – | 4 | 6 | 1 |
| Galathea squamifera Leach, 1814 | – | – | – | – | – | 21 | – | – |
| Paguristes syrtensis de Saint Laurent, 1971 | – | – | – | – | – | – | 7 | – |
| Pagurus cuanensis Bell, 1846 | – | – | – | – | 1 | – | – | – |
| Pagurus prideauxLeach, 1815 | – | – | – | – | – | 1 | – | – |
| Pisidia bluteli (Risso, 1816) | – | 32 | 165 | – | 637 | 226 | 37 | – |
| Pisidia longimana (Risso, 1816) | – | – | 22 | – | – | – | – | – |
| Porcellana platycheles (Pennant, 1777) | – | – | – | – | – | 1 | – | – |
| Brachynotussp. | – | – | – | – | – | 1 | 1 | – |
| Carcinus aestuarii Nardo, 1847 | 1 | – | 1 | 1 | 4 | 126 | 2 | 10 |
| Dromia personata (Linnaeus, 1758) | – | – | – | – | – | 3 | – | – |
| Ebalia edwardsii Costa, 1838 | – | – | – | – | – | – | 1 | – |
| Eriphia verrucosa (Forskål, 1775) | – | – | – | – | 1 | 178 | – | – |
| Eurynome aspera (Pennant, 1777) | – | – | – | – | – | – | 3 | – |
| Goneplax rhomboides (Linnaeus, 1758) | – | – | – | – | – | – | 2 | 1 |
| *Inachus parvirostris (Risso, 1816) | – | – | – | – | – | – | 1 | – |
| Jaxea sp. | – | – | – | – | – | – | 1 | – |
| Liocarcinus arcuatus (Leach, 1814) | – | – | – | – | 4 | – | 35 | – |
| Liocarcinus depurator (Linnaeus, 1758) | – | – | – | – | 5 | 55 | 15 | 735 |
| Liocarcinus maculatus (Risso, 1827) | – | – | – | 6 | – | – | 13 | – |
| Liocarcinus vernalis (Risso, 1816) | – | – | – | – | 1 | 4 | – | 16 |
| *Macropodia linaresi Forest and Zariquiey Alvarez, 1964 | 6 | – | 1 | – | 6 | 7 | – | – |
| Maja squinado (Herbst, 1788) | – | – | – | – | 26 | 84 | – | – |
| Pachygrapsus marmoratus (Fabricius, 1787) | – | – | 3 | – | – | 259 | – | – |
| Pilumnus hirtellus (Linnaeus, 1761) | 4 | 7 | 105 | – | 105 | 145 | 9 | 1 |
| Pisa muscosa (Linnaeus, 1758) | 1 | – | – | – | – | – | – | – |
| Xantho poressa (Olivi, 1792) | – | 1 | 18 | – | 31 | 278 | 8 | – |
| Total number of species | 10 | 10 | 13 | 7 | 17 | 28 | 28 | 18 |
| Total number of individuals | 236 | 189 | 724 | 53 | 2454 | 2477 | 440 | 6379 |
Figure 3
Biodiversity of decapod species in different biotopes
Figure 4
The mean number of decapod species along the deepest transects
Figure 5
Density of decapod individuals in different biotopes
Figure 6
The number of species and individuals determined at different sites. Outer blue circles indicate the standard error of the mean. Black triangles indicate sites without decapod individuals in Cystoseira and Mytilus biotopes. Circles with lower opacity indicate values at different depths of the same site in serpulid reef biotopes.