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In this study, the heavy metals magnesium (Mg), zinc (Zn), copper (Cu), manganese (Mn), lithium (Li), tin (Sn), cobalt (Co) and selenium (Se) levels were determined in the feathers of Armenian Gull (Larus armenicus), which is a species classified as near threatened (NT) according to IUCN categories. The Gull lives on the islands of Turkey's largest lake, Lake Van. Different levels were detected due to the urban and rural location of the study areas. The highest levels of Mg, Zn, Mn, chromium (Cr), and Li were determined in the Sıhke pond near the city's dumpsite. The lowest levels were determined on Adır island, with the least human factors. While the levels of Co, Se, and Sn were high in the samples taken from Akdamar Island, the lowest levels were determined on Çarpanak Island and in Sıhke pond.

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This research aims to analyse and discuss the different conceptualization of anthropogenic global warming (AGW) in academic publications. The main question is to understand how different approaches to climate change is addressed in the literature. In order to answer this research question, a sample was created from Scopus literature database. Analysis was performed using the VOSviewer program on a data set consisting of keywords and citation information. The findings show that the perspectives of the studies that adress the same topic with different terms such as “climate change” and “climate crisis” are fundamentally different. Studies using the concept of “climate change” take a more techno-scientific methodological approach linking AGW to concepts such as drought, sea level changes, extreme weather events and agriculture. In contrast studies that use the concept of “climate crisis” relate the AGW to climate justice and concepts such as neoliberalism. It is noteworthy that studies using the concept of “climate crisis” are mostly studies carried out by social sciences studies that deal with the problem in an interdisciplinary political and social context whereas “climate change” is used by physical science studies including climatology, earth science and ecology. Given the traditional separation of these disciplines it is not surprising that two different nomenclatures were used to address the AGW problem. We argue that the concept “climate crisis” is capturing the urgency of the AGW and that in order to find interdisciplinary solutions both insights from physical and humanity sciences must be combined.