50. Megafaunal communities of the N. Aegean Sea

51. Physiological and biochemical alterations in mussels Mytilus Galloprovincialis transplanted to a metal polluted area (Larymna Bay, Northern Evoikos)

52. The evolution of benthic communities in a dumping site of coarse metalliferous waste in N. Evoikos Gulf

53. Benthic ecosystems in the coastal zone of E-SE Attiki

54. Variability and relations of bioaccumulated metals by tissues of the demersal fish Mullus Barbatus

55. Radionuclide transfer from the aquatic phase to organisms in the marine environment. A linear and a non linear approach

56. Primary production and chlorophyll-α of phytoplankton and autotrophic picoplankton in Pagassitikos Gulf (spring 1999)

57. Distribution of mesozoolpankton and copepod egg production in Pagasitikos Gulf during April and May 1999

58. Evolution of the macrozoobenthic biocoenoses in the Pagasitikos Gulf

59. Mesozooplankton community structure in central Hellenic coastal zone in summer 1998

60. Mesozoolpankton and ichthyoplankton distribution at two sites in Patraikos Gulf with different hydrology

61. Description of the benthic ecosystem of Papa's lagoon, Araxos/Achaia

62. Effects of intensive fish cultivation of gilt- head bream (sparus aurata) and sea bass (dicentrarchus labrax) at Astakos Gulf. Part II: Metals

63. Polychaete fauna of the area in front of the sewage outfall of Heraklion city

64. Structure and dynamics of the infralittoral molluscan assemblages (soft substrate) in Heraklion Bay (Crete , Eastern Mediterranean)

65. Mapping of Posidonia Oceanica beds in Strymonikos and Ierissos Gulfs

66. Thecuse of luminescent bacteria to characterize chemical stress in marine organisms

67. Analysis of benthic ecosystem disturbance under different levels of taxonomic resolution

68. Chemotaxonomic study on the corals of the genus Gorgonia

69. Operational monitoring and forecasting in the Greek Seas with the POSEIDON system