'Chestnut blight' diaporamas de présentation

Threats to biological diversity 3: Exotic Species

Threats to biological diversity 3: Exotic Species. Lecturer: James Reeler Material by: Sam Hopkins & Vanessa Couldridge. BCB 341: Principles of Conservation Biology. Introduction. Invasion by alien species can have a significant impact on biodiversity

878 views • 73 slides

Threats to biological diversity 3: Exotic Species

Threats to biological diversity 3: Exotic Species. Lecturer: James Reeler Material by: Sam Hopkins & Vanessa Couldridge. BCB 341: Principles of Conservation Biology. Introduction. Invasion by alien species can have a significant impact on biodiversity

849 views • 73 slides

799 views • 64 slides

Biological control

Biological control. Joyce E. Loper Research Plant Pathologist, USDA-Agricultural Research Service Professor (courtesy), Department of Botany and Plant Pathology loperj@science.oregonstate.edu 738-4057. Pathogen. Host. Environment. The Plant Disease Triangle.

605 views • 53 slides

Relative abundance I: commonness and rarity

Relative abundance I: commonness and rarity. Bio 415/615. Questions. 1. How does a rank abundance distribution quantify commonness and rarity? 2. What are the three components of the rarity scheme of Rabinowitz? 3. What are three ecological processes that lead to rarity?

572 views • 34 slides

"To do science is to search for repeated patterns, not simply to accumulate facts,

"To do science is to search for repeated patterns, not simply to accumulate facts, and to do the science of geographical ecology is to search for patterns of plant and animal life that can be put on a map. ... Doing science is not such a barrier to feeling

415 views • 28 slides

Saving the Ozark Chinquapin

Restoring the Ozark chinquapin by utilizing natural genetic resistance

271 views • 27 slides

Chestnut Blight

Chestnut Blight. A Case in Introduced Disease, Genetic Manipulation, and Disease Biology. The American chestnut once comprised 25% of the eastern deciduous forest. The nuts were once an important economic resource in the U.S. The wood is straight-grained,

494 views • 20 slides

Fungi

Fungi. Basic characteristics of Fungi . Eukaryotic Multicellular (except yeast) Heterotrophic Mode of nutrition: absorbtive Secrete hydrolytic enzymes Digestion occurs externally Composition of cell walls differs-chitin. CHARACTERISTIC. Filamentous Growth Form 1. Hyphae a. stolons

470 views • 17 slides