Mnemiopsis leidyi which was accidentally introduced into the Caspian Sea in 1999 and since then has colonized extensively. The horizontal distribution of M. leidyi and dominant mesozooplankton species was investigated in the south western Caspian Sea during February, May, July and November 2008. The average number and biomass of M. leidyi were in the same range (ca 200 individuals.m-3 (2000 in...

This paper presents a MATLAB program designed to invert 1D strain rate from subsidence data. In forward modeling, we use an implicit finite difference scheme to solve the heat conduction equation with an advective term. In the inversion, we adopt the Powell algorithm to continually search for the optimal values of strain rate until the fit, defined by the difference between the calculated subsi...

The Interferometric Point Target Analysis (IPTA) technique and Advanced Synthetic Aperture Radar (ASAR) images acquired over Hong Kong from 2007-2008 were used to detect ground deformation in the urban area of Guangzhou city in South China. A ground deformation rate map with scattered distribution of point targets shows the maximum subsidence (rise) rate as high as -26 to -20 mma(-1) (16-21 mma...

The underground water extraction induced subsidence has the characteristics of slow rate, less predictable location and coverage. Over a long time period, the cumulated subsidence can be up to a few metres. This paper demonstrates the feasibility and capability of using conventional two-pass differential interferometric synthetic aperture radar (DInSAR) for monitoring the underground water extr...

two isolates of trichinella were obtained from the jackal, canis aureus: one from the north caspian area, the other from the south-west khuzestan area of iran. the infectivity of the isolates was tested in laboratory animals, in a wild rodent (tatera indica) and in wild pigs. the isolate from khuzestan was of low infectivity to albino rats and it was provisionally identified as trichinella nels...

The Miocene in Southern New Zealand was dominated by strike-slip tectonics. Stratigraphic evidence from this time attests to two zones of subsidence in the south: (a) a middle Cenozoic pull-apart basin and (b) a regionally extensive subsiding lake complex, which developed east and distal to the developing plate boundary structure. The lake overlay a block of crust with a significantly weak mid-...