Welcome to flightglobal. This site uses cookies. Read our policy. Analysts had believed that the MoD's long-term plan was a gradual phase out of the small ship helicopter in favour of a single type - either the EH Industries EH or the Bell Boeing V Welcome to flightglobal.
This site uses cookies. Read our policy. Short-term responses of mammalian carnivores to a sudden collapse of rabbits in Mediterranean Spain. Basic and Applied Ecology, 12 2 , , Therefore, it has a wide distribution as well as a wide variety of diet from mouse to moose Von Arx et al. Foraging ecology of Eurasian lynx populations in southwest Asia: Conservation implications for a diet specialist.
Ecology and evolution, 8 18 , , The importance of genetic variability and population differentiation in the Eurasian Lynx lynx for conservation, in the context of habitat and climate change.
Mammal review, However, its main prey is lagomorphs and small ungulates Von Arx et al. Status and conservation of the Eurasian lynx Lynx lynx in Europe in Kora, For example, in Anatolia, L. The aim of this study is to obtain information about the past distributions from the model obtained by using Palaeoclimatological scenarios and fossil records of the species and to obtain information about how they continued their distribution under the influence of Palaeoclimatological events until today.
To determine the current climate conditions preferred by these two wild cat species by analyzing the relationship between living species data and current climatic conditions, and to predict how the appropriate habitats of the species may change in the face of future climate change.
It is recommended that the outputs of the study be taken into account in species conservation plans. Content assessment of the primary biodiversity data published through GBIF network: status, challenges and potentials. Biodiversity Informatics, 8 2 , Six fossil records and living records of L. For L. The fossil records of L. All the living records were from Spain.
The living records were from Central, Northern and Eastern Europe. Bioclimatic data current, past and future are available at www. Hijmans et al. The current bioclimatic data 10 arc minute in version 1. The codes, descriptions and units of 19 bioclimatic variables are given in Tab.
However, a very high correlation was found between the bioclimate data of 10 arc minute size. For this reason, analysis was started with all bioclimate data and the bioclimate variable that did not contribute to the model and had the least contribution was not included in the next model. This process was continued until the model with the highest AUC value was obtained. Climatic habitat suitability modelling was performed with the help of MaxEnt 3.
Maximum entropy modeling of species geographic distributions. Ecological modelling, , , MaxEnt is a software that predicts the distribution of species using by habitats feature and maximum entropy algorithm Phillips et al. Opening the black box: An open-source release of Maxent. Ecography, 40 7 , , Investigation and evaluation of stone pine Pinus pinea L. Cerne, Zoology in the Middle East, , Sustainability, 12 7 , , MaxEnt is also a practicable and valid method for all species Untalan et al.
In addition, MaxEnt creates habitat suitability map as the analysis result output Elith et al. A statistical explanation of MaxEnt for ecologists. Diversity and Distributions, 17 1 , , For this reason, MaxEnt was used as statistical modeling in the study. The current bioclimatic data, the historical bioclimatic data LGM and Mid-Holocene and the presence data from two wildcat species were analyzed together.
Fig 1 Climatic habitat suitability modelling procedure. The validity of the obtained models was evaluated according to the AUC values. As the AUC value approaches 1, the model is considered to be excellent; the model is considered to be an explanatory model when the AUC value is 0. Herpetological Conservation and Biology, 13 1 , , With the help of ArcMap The areas with the highest level of suitability were colored red, and the areas with the lowest level of suitability were colored blue.
Approximately 22, years ago, L. According to this, L. In addition, L. However, the climatic conditions of Northeastern Europe, the Alps, North Asia were not suitable for the distribution of L. B: Jackknife test for the relative importance of bioclimatic variables Last Glacial Maximum past model 1. A: melgmbi6 Bio6. B: melgmbi3 Bio3. The X2 has 2 rotors instead of one, is operated by one pilot and it quieter, with the ability to make sharper turns than a typical helicopter.
The twin rotors and pusher propeller generate enough force to fly over 10, feet. The experimental high speed helicopter was designed by Eurocopter now Airbus Helicopters. Image Credit: Bernd. The Westland Lynx has a top speed of mph, making it one of the fastest helicopters in the world. It was orignally developed for the British Army and Royal Navy.
The helicopter was retired in January after 31 years of active service. The Lynx still held the official absolute speed record for rotorcraft throughout its entire service. Over were built and over the past 4 decades the Westland Lynx has participated in every major British Militiary operation around the globe and it retired as the undisputed champion of speed. It is still widely used with over in service by the US Army and over have been built during its lifetime.
The UH features four blade main and tail rotors and is powered by 2 General Electric t turboshaft engines. It can carry 11 troops with equipment, lift 2, pounds 1, kg of cargo internally or 9, pounds 4, kg of cargo. The Chinook American twin-engine, tandem rotor heavy-lift helicopter is used primarily for troop movement, artillery placement, battlefield re-supply and international aid. It is one of the fastest helicopter in the US fleet with a top speed of mph and was first fielded in
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