Academic literature on the topic 'Species importance'

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Dissertations / Theses on the topic "Species importance"

1

Bell, Claire L. "The measurement of radical species of atmospheric importance." Thesis, University of Oxford, 2010. http://ora.ox.ac.uk/objects/uuid:14933fc6-5272-45b0-a281-6da35c6e42e8.

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The measurement of radical species in the atmosphere has far reaching implications. For example, it is necessary to both understand and improve our knowledge of radicals in the atmosphere to better inform the models which in many cases are the best way of predicting future air quality and climate change. Although many of these models are often not fully representative of all the processes occurring, they are the current best estimate based on the knowledge available, and can be useful in informing and directing future policy. The numerous, varied and interlinked cycles in the atmosphere are co
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2

Heard, Anne C. "Gas-phase reactions of halogen species of atmospheric importance." Thesis, University of Oxford, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.293474.

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3

Hiley, Jonathan Richard. "The importance of protected areas for species undergoing distribution changes." Thesis, University of York, 2017. http://etheses.whiterose.ac.uk/18782/.

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The value of Protected Areas for wildlife will diminish if the species for which they were originally designated are pushed out of their boundaries by changing temperatures, or if they are infiltrated by invasive species that are harmful to native species. Here, I assess the performance of Protected Areas against this background of distributional change. I found that Protected Areas have facilitated the range expansions of the six wetland bird species that have recently colonised the UK, both as sites at which breeding first occurs and as locations where substantial populations can establish b
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4

Wagner, Kirtsen. "Laboratory studies of halogen-containing and organic species of atmospheric importance." Thesis, University of Oxford, 2003. https://ora.ox.ac.uk/objects/uuid:f6009882-ad3e-4627-848d-1042c7d5e72a.

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This thesis describes laboratory studies of the kinetics of some reactions of atmospheric significance. The species of interest were Cl atoms, IO radicals and several organic compounds. In particular, the chemistry of acetone and the acetonylperoxy radical was investigated. These species are of importance in the troposphere and the stratosphere, where they may influence the concentrations of HO<sub>x</sub>, NO<sub>x</sub> and O<sub>3</sub>. The experiments were performed using low-pressure discharge-flow tubes coupled to a variety of detection techniques, including conventional methods such as
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5

Sanon, Hadja Oumou. "The importance of some Sahelian browse species as feed for goats /." Uppsala : Dept. of Animal Nutrition and Management, Swedish University of Agricultural Sciences, 2007. http://epsilon.slu.se/200784.pdf.

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D'Souza, Richard Joseph. "The importance of reactive oxygen species in determining mesangial cell growth." Thesis, St George's, University of London, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.283240.

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7

Forgus, Juan-Jacques. "Functional importance of snakes in a strandveld ecosystem." University of the Western Cape, 2018. http://hdl.handle.net/11394/6449.

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Magister Scientiae (Biodiversity and Conservation Biology) - MSc (Biodiv & Cons Biol)<br>Gaps in our knowledge of the functional roles of snakes within ecosystems limit our ability to predict the potentially cascading effects their removal from an ecosystem might create. Extirpation of snake species could potentially result in losses of ecosystem functionality if those taxa are ecologically unique. I used pitfall and funnel trap arrays, artificial cover object surveys, active searching, and passive camera trapping, as well as pre-existing faunal diversity data to identify terrestrial tetrapod
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8

Flugge, Mark. "Laboratory studies of reactions of nitrate radicals with species of atmospheric importance." Thesis, University of Oxford, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.413082.

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9

Green, Timothy J. "A study of chlorine oxide species of potential importance in the stratosphere." Thesis, University of Oxford, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.390458.

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10

Jackson, Emma Louise. "Importance of seagrass beds as a habitat for fishery species around Jersey." Thesis, University of Plymouth, 2003. http://hdl.handle.net/10026.1/521.

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