Environmental quality assessment of Grand Harbour (Valletta, Maltese Islands): a case study of a busy harbour in the Central Mediterranean Sea

Author(s):  
Teresa Romeo ◽  
Michela D’Alessandro ◽  
Valentina Esposito ◽  
Gianfranco Scotti ◽  
Daniela Berto ◽  
...  
2017 ◽  
pp. 1-9 ◽  
Author(s):  
Mario V Balzan ◽  
David Genoud ◽  
Pierre Rasmont ◽  
Maximilian Schwarz ◽  
Denis Michez

A total of 95 bee species have been recorded from the Maltese Islands (central Mediterranean Sea).  The aim of the present note is to report newly recorded species within the study area.  A total of nine new species belonging to four families are recorded here: Andrenidae (1 species), Apidae (1 species), Halictidae (5 species), and Megachilidae (2 species).


Hydrobiologia ◽  
2017 ◽  
Vol 821 (1) ◽  
pp. 191-214 ◽  
Author(s):  
Angela Cuttitta ◽  
Marco Torri ◽  
Rafik Zarrad ◽  
Salem Zgozi ◽  
Othman Jarboui ◽  
...  

2009 ◽  
Vol 10 (2) ◽  
pp. 63 ◽  
Author(s):  
C. MIFSUD ◽  
M. TAVIANI ◽  
S. STOHR

The MARCOS cruise, which took place in the South Central Mediterranean Sea on board the RV ‘Urania’, resulted in the collection of 27 species of Echinodermata from shallow to bathyal depths, many from around Malta (the Fisheries Management Zone). The fauna is represented by common to rare taxa already reported from the Mediterranean with the exception of the amphi-Atlantic ophiuroid Ophiotreta valenciennesi rufescens (Koehler, 1896), recorded from the Mediterranean Basin for the first time. Odontaster mediterraneus (von Marenzeller, 1893) and Luidia sarsi Lutken, 1858 are also first records for the Maltese Islands.


2016 ◽  
Vol 23 (22) ◽  
pp. 22542-22553 ◽  
Author(s):  
Séverine Le Faucheur ◽  
Dan Vasiliu ◽  
Irina Catianis ◽  
Mariana Zazu ◽  
Perrine Dranguet ◽  
...  

2012 ◽  
Vol 573-574 ◽  
pp. 256-259 ◽  
Author(s):  
Xin Li Zhang

Based on projection pursuit principle, a projection pursuit dynamic cluster (PPDC) model is developed, which is used in eco-environmental quality assessment for the first time in this paper. A new projection index is constructed based on dynamic cluster in the PPDC model. There is no parameter calibration in the PPDC model, which may lead to do an objective assessment. A case study of eco-environmental quality assessment of China is given at last. The results show the PPDC model is reasonable and easy to operate in practice, which is a new method for eco-environmental quality assessment.


2011 ◽  
Vol 12 (1) ◽  
pp. 75 ◽  
Author(s):  
F. CROCETTA ◽  
S. MIFSUD ◽  
P. PAOLINI ◽  
J. PISCOPO ◽  
P.J. SCHEMBRI

The occurrence of Pachygrapsus maurus and Pachygrapsus transversus is reported from the Maltese Islands for the first time on the basis of one specimen of P. maurus collected in 1990 and numerous recent specimens, and the distribution of the two species is mapped. The controversial presence of P. maurus in Italy is confirmed and two new sites for this species are reported, including the first for the mainland of Italy. The examination of the historical specimen of P. maurus from the Genova area revealed a misidentification of P. transversus; this record could be a result of ship-mediated transport. First notes on the habitat of P. maurus in the central Mediterranean Sea are given. Updated maps of the distribution of P. maurus and P. transversus in the Mediterranean are provided and the zoogeography of these species is revisited.


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