Globally, pelican populations are adversely affected by four main factors: declining supplies of fish through overfishing or water pollution, destruction of habitat, direct effects of human activity such as disturbance at nesting colonies, hunting and culling, entanglement in fishing lines and hooks, and lastly the presence of pollutants such as DDT and endrin.
Apart from the shockingly poor science underpinning this argument, the notion of "culling" whales to protect fish stocks directly contradicts the idea of conducting a sustainable hunt that allows populations to grow.Furthermore, as you note, there is no overwhelming demand for whale meat and products; there is barely any market at all.
Groups of fish were selectively culled for the largest fish, mimicking the practice of most fisheries.
There, gleaming stainless-steel machinery sorts the fish according to size, culling imperfect ones and sending them to a fish-meal factory.
The inner ear tissue of zebrafish included the sensory epithelium (culled from 6 fish, both ears), consisting also portions of the utricle, saccule and lagena tissues, but not semicircular canals.
On the question of culling or fishing sharks, Dr Hueter told BBC News: "Removing the sharks has never been a solution in any of these cases.
As expected, the TGC values were either constant (Dec. lot) or declining (Sept. lot) at the time of the December 2009 sampling despite the fact that fish numbers had recently been reduced through culling.
Scientific studies found that culling fur seals would actually have a negative effect on the fishing industry, and the culling option was dropped in 1993.
Consequently, all gba1−/− fish were culled at 12 wpf for humane reasons.
He says the only comparative programme was the massive shark culling programme conducted in Hawaii during the 1960s and 1970s which used long-line fishing to target sharks.
