نتایج جستجو برای: biological invasion
تعداد نتایج: 529253 فیلتر نتایج به سال:
Abstract The capacity to assess invasion risk from potential crop pests before of new regions globally would be invaluable, but this requires the ability predict accurately their geographic range and relative abundance in novel areas. This may unachievable using de facto standard correlative methods as shown for South American tomato pinworm Tuta absoluta , a serious insect pest native America....
there is still been no report of splenic involvement in the wake of colon cancer. in this case, air was seen in the spleen and liver following the penetration of colon cancer to the continuous spleen. colon cancers always do not present with clear and common symptoms. some times with a non-specific and uncommon symptoms and signs present that would be amazed physicians and researchers. it is ve...
Infectious disease emergence has become the target of cross-disciplinary efforts that aim to understand and predict shape outbreaks. The many challenges involved with prediction events is a characteristic in- fectious diseases share biological invasions in subfields ecology (e.g., how certain plants are able successfully invade new niche). Like infectious diseases, by animals involve interactio...
The rate of biological invasions has strongly increased during the last decades, mostly due to the accelerated spread of species by increasing global trade and transport. Here, we combine the network of global cargo ship movements with port environmental conditions and biogeography to quantify the probability of new primary invasions through the release of ballast water. We find that invasion r...
So far, only a few studies have explicitly investigated the consequences of admixture for the adaptative potential of invasive populations. We addressed this question in the invasive ladybird Harmonia axyridis. After decades of use as a biological control agent against aphids in Europe and North America, H. axyridis recently became invasive in four continents and has now spread widely in Europe...
Background: Plasminogen has a central role in fibrinolyrtic system can activate through various activators (PAs) to its active form plasmin and perfoem its vital function that is fibrin clot lysis. Furthermore the fibrinolyrtic system plays a major role in angiogenesis. The fibrinolyrtic system activation control cell migration and invasion. In addition to this, plasmin regulates tumor growth. ...
Transitional cell carcinoma(T.C.C) of bladder display an upredictable biological behavior.Morphologic methods of grading this tumor are insuficient to predict the clinical outcome of the patients.the aim of this study was to investigate the relationships between histological grading staging and DAN ploidy especially in intermediate grade II(IIa and IIb). in a retrospective study of tissue spec...
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