The dactylopterid fishes are non-commercial fishes and occasionally caught as a by-catch during commercial trawling. Two specimens of Dactyloptena peterseni were collected during the survey of commercial trawl catch at Karachi fish harbor. This is the first report on the occurrence of Dactyloptena peterseni in the Pakistani waters. The present study gives the detail description of morphometric ...

To cite this Article Wylie, B. K. , Zhang, L. , Bliss, N. , Ji, L. , Tieszen, L. L. and Jolly, W. M.(2008) 'Integrating modelling and remote sensing to identify ecosystem performance anomalies in the boreal forest, Yukon River Basin, Alaska', International Journal of Digital Earth, 1: 2, 196 — 220 To link to this Article: DOI: 10.1080/17538940802038366 URL: http://dx.doi.org/10.1080/17538940802...

this study was undertaken to investigate the effect of socioeconomic factors on fish catch around the lower ogun river in isheri-olofin area (downstream) and ishasi (upstream). two hundred and fifty (250) respondents were randomly sampled. the data was analyzed using descriptive statistics and chisquare. it was found that a large percentage (74.4%) owned personal fishing craft.18% of the respon...

Stock assessment of Otolithes ruber was carried out using Virtual Population Analysis (VPA) method in the coastal waters of Northwest Persian Gulf. Catch and length frequency data during 2002-2012 were converted to age frequency. The maximum of stock number and biomass were observed in age group 1 and 2 respectively. The minimum of stock number and biomass were observed age group 6. The maximum...

What has been your biggest error? Back at the beginning of this century, I used to say “I am going to spend the rest of my life trapped in a mitochondrion!”. This was because I was convinced that it was never going to be possible to retrieve even partial extinct genomes. Now, there are genomic sequences for many ancient humans and animals. This goes back to the famous Arthur C. Clarke quote: “W...

  This paper aimed to investigate the fishery and biological characteristics of anchovy Kilka in Iranian waters of the Caspian Sea from 2005-2007, including length and age structure ,Von Bertalanffy growth parameters, length and age at first capture, condition factor, sex ratio, natural and fishing mortality. The examination of catch data approved that Kilka population in the Caspian Sea have b...