86 Vitousek PPTs View free & download

Human Domination of Ecosystems NSES 2'6 Vitousek et al' - Human Domination of Ecosystems NSES 2'6 Vitousek et al'

Human Domination of Ecosystems NSES 2'6 Vitousek et al'

| PowerPoint PPT presentation | free to view

The nitrogen cycle PowerPoint PPT Presentation

The nitrogen cycle - Lightening. Biological. Sources of nitrogen. Biological N2 fixation ... Lightening. Biological. Anthropogenic (fertilizer) From Vitousek et al. 1997, Ecol. Appl. ...

Lightening. Biological. Sources of nitrogen. Biological N2 fixation ... Lightening. Biological. Anthropogenic (fertilizer) From Vitousek et al. 1997, Ecol. Appl. ...

| PowerPoint PPT presentation | free to view

Persistence of nitrogen limitation over terrestrial carbon uptake PowerPoint PPT Presentation

Persistence of nitrogen limitation over terrestrial carbon uptake - Persistence of nitrogen limitation over terrestrial carbon uptake ... availability (Vitousek, 2002, Reich et al. 1997, FACE results, etc.) Reich et. al. PNAS, ...

Persistence of nitrogen limitation over terrestrial carbon uptake ... availability (Vitousek, 2002, Reich et al. 1997, FACE results, etc.) Reich et. al. PNAS, ...

| PowerPoint PPT presentation | free to download

PARAMETERIZATION AND VALIDATION OF BIOGEOCHEMICAL MODEL CASA PowerPoint PPT Presentation

PARAMETERIZATION AND VALIDATION OF BIOGEOCHEMICAL MODEL CASA - POTTER, C.S.; RANDERSON, J.T.; FIELD, C.B.; MATSON, P.A.; VITOUSEK, P.M.; MOONEY, ... the biogeochemical global scale CASA model (Potter et al., 1993), for use in a ...

POTTER, C.S.; RANDERSON, J.T.; FIELD, C.B.; MATSON, P.A.; VITOUSEK, P.M.; MOONEY, ... the biogeochemical global scale CASA model (Potter et al., 1993), for use in a ...

| PowerPoint PPT presentation | free to view

Monitoring forage production with MODIS data for farmers' decision making PowerPoint PPT Presentation

Monitoring forage production with MODIS data for farmers' decision making - ... 1), assuming a non-linear relation between fPAR and NDVI (Fig 2; Potter et al. ... Potter, C.S., J.T. Randerson, C.B. Field, P.A. Matson, P.M. Vitousek, H.A. ...

... 1), assuming a non-linear relation between fPAR and NDVI (Fig 2; Potter et al. ... Potter, C.S., J.T. Randerson, C.B. Field, P.A. Matson, P.M. Vitousek, H.A. ...

| PowerPoint PPT presentation | free to download

Oversight Board: PowerPoint PPT Presentation

Oversight Board: - Peter Vitousek, Professor, Stanford University. North American Nitrogen Center ... The North American Nitrogen Center is one of five continental-scale centers of ...

Peter Vitousek, Professor, Stanford University. North American Nitrogen Center ... The North American Nitrogen Center is one of five continental-scale centers of ...

| PowerPoint PPT presentation | free to view

Course goals PowerPoint PPT Presentation

Course goals - Have you develop a firm understanding of the concepts and mechanisms of ecosystem ecology; Have you enhance your understanding of how human society is altering ...

Have you develop a firm understanding of the concepts and mechanisms of ecosystem ecology; Have you enhance your understanding of how human society is altering ...

| PowerPoint PPT presentation | free to download

Mauna Loa - He Moolelo Aina A Cultural-Historical Study of the Upper Waiakea-Humuula ... Rats, Mice, Mongoose. Alien Birds. Japanese White-eye (Zosterops japonicus) ...

He Moolelo Aina A Cultural-Historical Study of the Upper Waiakea-Humuula ... Rats, Mice, Mongoose. Alien Birds. Japanese White-eye (Zosterops japonicus) ...

| PowerPoint PPT presentation | free to view

Nutrient Cycling and Retention PowerPoint PPT Presentation

Nutrient Cycling and Retention - Global phosphorus cycle does not include substantial atmospheric pool. ... Gallardo and Merino found differences in mass loss by the target species ...

Global phosphorus cycle does not include substantial atmospheric pool. ... Gallardo and Merino found differences in mass loss by the target species ...

| PowerPoint PPT presentation | free to download

Introduction PowerPoint PPT Presentation

Introduction - Introduction l cologie S. Barot IRD, Bioemco http://millsonia.free.fr/

Introduction l cologie S. Barot IRD, Bioemco http://millsonia.free.fr/

| PowerPoint PPT presentation | free to download

Disturbance and Succession PowerPoint PPT Presentation

Disturbance and Succession - From Fisher et al. (1982) C) Ecosystem. Responses. Algal Patches. Biomass and Chlorophyll. From Fisher et al. (1982) Ecosystem Succession in a Desert Stream ...

From Fisher et al. (1982) C) Ecosystem. Responses. Algal Patches. Biomass and Chlorophyll. From Fisher et al. (1982) Ecosystem Succession in a Desert Stream ...

| PowerPoint PPT presentation | free to view

Plant nutrient uptake and use PowerPoint PPT Presentation

Plant nutrient uptake and use - Nitrogen inputs. 14. 8. Nutrient uptake and use. 9. 8. Nutrient cycles. 7. 1-7. Exam. 2. Oct. ... Mass flow is most important for Ca, Mg, S, micronutrients ...

Nitrogen inputs. 14. 8. Nutrient uptake and use. 9. 8. Nutrient cycles. 7. 1-7. Exam. 2. Oct. ... Mass flow is most important for Ca, Mg, S, micronutrients ...

| PowerPoint PPT presentation | free to view

Nutrient cycles - Contamination L4 PowerPoint PPT Presentation

Nutrient cycles - Contamination L4 - Title: PowerPoint Presentation Author: paco Last modified by: Francisco Sanchez-Bayo Created Date: 3/10/2004 1:03:11 AM Document presentation format

Title: PowerPoint Presentation Author: paco Last modified by: Francisco Sanchez-Bayo Created Date: 3/10/2004 1:03:11 AM Document presentation format

| PowerPoint PPT presentation | free to view

Biodiversity Studies in the NASA Remote Sensing Programs - Biodiversity Studies in the NASA Remote Sensing Programs

Biodiversity Studies in the NASA Remote Sensing Programs

| PowerPoint PPT presentation | free to download

Chapter 3: Ecosystems and Energy Master Presentation PowerPoint PPT Presentation

Chapter 3: Ecosystems and Energy Master Presentation - ... Energy Diagram Diagram of Energy Loss Hunting of the Baleen Whales -Being a major consumer of the krill population, ... (specifically over the Antarctic) ...

... Energy Diagram Diagram of Energy Loss Hunting of the Baleen Whales -Being a major consumer of the krill population, ... (specifically over the Antarctic) ...

| PowerPoint PPT presentation | free to download

Nutrient Dynamics in Streams PowerPoint PPT Presentation

Nutrient Dynamics in Streams - Major ions -- Ca, Na, K, ... N and P missing (low concentrations) ... High summer temperatures reduce the solubility of CO2; Ca precipitates as marl? ...

Major ions -- Ca, Na, K, ... N and P missing (low concentrations) ... High summer temperatures reduce the solubility of CO2; Ca precipitates as marl? ...

| PowerPoint PPT presentation | free to view

Chapter 3 Ecosystems and Energy - Chapter 3 Ecosystems and Energy

Chapter 3 Ecosystems and Energy

| PowerPoint PPT presentation | free to download

TXL 6014 TOXICOLOGIE DE L PowerPoint PPT Presentation

TXL 6014 TOXICOLOGIE DE L - cotoxicologie: Notions de base en toxicologie de l'environnement, historique de ... Exemples d'impacts majeurs sur l'environnement li s aux activit s anthropiques ...

cotoxicologie: Notions de base en toxicologie de l'environnement, historique de ... Exemples d'impacts majeurs sur l'environnement li s aux activit s anthropiques ...

| PowerPoint PPT presentation | free to download

Nitrogen and phosphorus removal in constructed wetlands PowerPoint PPT Presentation

Nitrogen and phosphorus removal in constructed wetlands - N and P excess in ecosystems ... of P to ecosystems. Major specific challenges: ... Nitrogen saturation in temperate forest ecosystems: Hypotheses revisited. ...

N and P excess in ecosystems ... of P to ecosystems. Major specific challenges: ... Nitrogen saturation in temperate forest ecosystems: Hypotheses revisited. ...

| PowerPoint PPT presentation | free to view

Diapositive 1 PowerPoint PPT Presentation

Diapositive 1 - Fonctionnement cologique du sol S. Barot IRD, UMR 137 http://millsonia.free.fr/ E des sols, Barot Exp rience avec du sol de profondeur Diff rence de turover due ...

Fonctionnement cologique du sol S. Barot IRD, UMR 137 http://millsonia.free.fr/ E des sols, Barot Exp rience avec du sol de profondeur Diff rence de turover due ...

| PowerPoint PPT presentation | free to download

Quantifying the impact and reversibility of exotic plant species in succession PowerPoint PPT Presentation

Quantifying the impact and reversibility of exotic plant species in succession - 2 University of Nevada, Las Vegas NV, USA. General questions about invasions ... Native woody species can regenerate under Buddleja, Pinus and Ulex canopies. ...

2 University of Nevada, Las Vegas NV, USA. General questions about invasions ... Native woody species can regenerate under Buddleja, Pinus and Ulex canopies. ...

| PowerPoint PPT presentation | free to view

Reducing the High Stroke Death Rate in Hawaii County PowerPoint PPT Presentation

Reducing the High Stroke Death Rate in Hawaii County - Hawaii County stroke death rate is relatively ... 'Robin Hood Index' (Gini coefficient) Population Health Measures. Protective Factors ' ... (Robin Hood Index) ...

Hawaii County stroke death rate is relatively ... 'Robin Hood Index' (Gini coefficient) Population Health Measures. Protective Factors ' ... (Robin Hood Index) ...

| PowerPoint PPT presentation | free to view

Global%20Ecology PowerPoint PPT Presentation

Global%20Ecology - Troposphere- earth surface to 9-16 km. Stratosphere- from troposphere to 50 km ... Predator reduced population of brine shrimp from 12,000 to 74 per m3. ...

Troposphere- earth surface to 9-16 km. Stratosphere- from troposphere to 50 km ... Predator reduced population of brine shrimp from 12,000 to 74 per m3. ...

| PowerPoint PPT presentation | free to download

Global Ecology PowerPoint PPT Presentation

Global Ecology - (Water Vapor, Carbon Dioxide, Methane, Ozone, Nitrous Oxide, and CFC's) ... low CO2 correspond to low temperatures experienced during ice ages, while high ...

(Water Vapor, Carbon Dioxide, Methane, Ozone, Nitrous Oxide, and CFC's) ... low CO2 correspond to low temperatures experienced during ice ages, while high ...

| PowerPoint PPT presentation | free to download

Nutrient Cycling and Retention - Global phosphorus cycle does not include substantial atmospheric pool. ... Gallardo and Merino found differences in mass loss by the target species ...

Global phosphorus cycle does not include substantial atmospheric pool. ... Gallardo and Merino found differences in mass loss by the target species ...

| PowerPoint PPT presentation | free to view

A [simple] land cover change intercomparison PowerPoint PPT Presentation

A [simple] land cover change intercomparison - either might be true - but it is something that we need to know more confidently. ... Advice from GLASS appreciate on the number required; ...

either might be true - but it is something that we need to know more confidently. ... Advice from GLASS appreciate on the number required; ...

| PowerPoint PPT presentation | free to view

Climate controls over NPP PowerPoint PPT Presentation

Climate controls over NPP - Mg C ha-1 yr -1. Mean Annual Precipitation (mm) Climate controls over NPP ... Mg C ha -1 yr-1. Biome Differences in NPP (Terrestrial) ...

Mg C ha-1 yr -1. Mean Annual Precipitation (mm) Climate controls over NPP ... Mg C ha -1 yr-1. Biome Differences in NPP (Terrestrial) ...

| PowerPoint PPT presentation | free to view

Biosecurity and Ecosystem Functioning PowerPoint PPT Presentation

Biosecurity and Ecosystem Functioning - Crazy ants ... reduced in number, and in some areas, eliminated by the crazy ant. ... Crazy ants. few crabs. change in plant community. From: O'Dowd et al. ...

Crazy ants ... reduced in number, and in some areas, eliminated by the crazy ant. ... Crazy ants. few crabs. change in plant community. From: O'Dowd et al. ...

| PowerPoint PPT presentation | free to view

Effects of plant diversity on nutrient cycling in a California serpentine grassland PowerPoint PPT Presentation

Effects of plant diversity on nutrient cycling in a California serpentine grassland - Greater resource use in more diverse communities leaves fewer resources available to invaders. ... Correlation vs. causation. Example: Guppy life histories ...

Greater resource use in more diverse communities leaves fewer resources available to invaders. ... Correlation vs. causation. Example: Guppy life histories ...

| PowerPoint PPT presentation | free to view

Introduction to Community Ecology PowerPoint PPT Presentation

Introduction to Community Ecology - Introduction to Community Ecology Ecology is the science of communities. A study of the relations of a single species to the environment conceived without ...

Introduction to Community Ecology Ecology is the science of communities. A study of the relations of a single species to the environment conceived without ...

| PowerPoint PPT presentation | free to download

Ecosystems: Components, Energy Flow, and Matter Cycling PowerPoint PPT Presentation

Ecosystems: Components, Energy Flow, and Matter Cycling - Ecosystems: Components, Energy Flow, and Matter Cycling All things come from earth, and to earth they all return Menander Soil Chemistry Acidity / Alkalinity ...

Ecosystems: Components, Energy Flow, and Matter Cycling All things come from earth, and to earth they all return Menander Soil Chemistry Acidity / Alkalinity ...

| PowerPoint PPT presentation | free to download

LOSS OF BIODIVERSITY: CAUSES PowerPoint PPT Presentation

LOSS OF BIODIVERSITY: CAUSES - Critically Endangered, Endangered and Vulnerable: species threatened with global ... are more important to our future than most publicized endangered species ...

Critically Endangered, Endangered and Vulnerable: species threatened with global ... are more important to our future than most publicized endangered species ...

| PowerPoint PPT presentation | free to view

Definiciones PowerPoint PPT Presentation

Definiciones - Definiciones Ciclo: Secuencia de cambios que, una vez completados, produce un estado final id ntico al original. Material: Sustancia(s) de la(s) cual(es) esta ...

Definiciones Ciclo: Secuencia de cambios que, una vez completados, produce un estado final id ntico al original. Material: Sustancia(s) de la(s) cual(es) esta ...

| PowerPoint PPT presentation | free to download

Characteristics of the Eating Disorders Day Treatment Program EDDTP considered important for effecti PowerPoint PPT Presentation

Characteristics of the Eating Disorders Day Treatment Program EDDTP considered important for effecti - ... Disorders Inventory (EDI3) (Garner 2004) Eating Disorders Inventory-Symptom checklist (EDI3-SC) (Garner 2004) Eating Attitudes Test (EAT-26) (Garner et al. 1982) ...

... Disorders Inventory (EDI3) (Garner 2004) Eating Disorders Inventory-Symptom checklist (EDI3-SC) (Garner 2004) Eating Attitudes Test (EAT-26) (Garner et al. 1982) ...

| PowerPoint PPT presentation | free to view

Chap.21 Nutrient Supply and Cycling PowerPoint PPT Presentation

Chap.21 Nutrient Supply and Cycling - * Nutrient Transformations The use of different forms of N by these tundra plants is a ... Figure 21.11 Nitrogen Cycle for an Alpine Ecosystem, Niwot Ridge, Colorado ...

* Nutrient Transformations The use of different forms of N by these tundra plants is a ... Figure 21.11 Nitrogen Cycle for an Alpine Ecosystem, Niwot Ridge, Colorado ...

| PowerPoint PPT presentation | free to view

A Path to Sustainability: From Satellite Data to Societal Wisdom PowerPoint PPT Presentation

A Path to Sustainability: From Satellite Data to Societal Wisdom - End goal of learning is an Action on path to sustainability ... Sustainability dependent upon Justice and Equity in 3 regimes: Intragenerational ...

End goal of learning is an Action on path to sustainability ... Sustainability dependent upon Justice and Equity in 3 regimes: Intragenerational ...

| PowerPoint PPT presentation | free to view

The Jasper Ridge Global Change Experiment JRGCE began an experiment located near its main field plot PowerPoint PPT Presentation

The Jasper Ridge Global Change Experiment JRGCE began an experiment located near its main field plot - This factorial approach allows one to ask whether, for example, the response to ... at various depths using time domain reflectometry, and micro-lysimeters for ...

This factorial approach allows one to ask whether, for example, the response to ... at various depths using time domain reflectometry, and micro-lysimeters for ...

| PowerPoint PPT presentation | free to view

Ecosystem Ecology PowerPoint PPT Presentation

Ecosystem Ecology - Ecosystem Ecology. Instructor: Terry Chapin. Office: 195 Arctic Health. Phone: 474-7922 ... The Ecosystem concept (Chapter 1) Sept. 3. Climate and ocean ...

Ecosystem Ecology. Instructor: Terry Chapin. Office: 195 Arctic Health. Phone: 474-7922 ... The Ecosystem concept (Chapter 1) Sept. 3. Climate and ocean ...

| PowerPoint PPT presentation | free to view

The nitrogen cycle - NH3 / NH4 Ammonia / Ammonium (nutrient, toxic at high levels) ... PON Particulate organic nitrogen (e.g. algae, bacteria, detritus) ...

NH3 / NH4 Ammonia / Ammonium (nutrient, toxic at high levels) ... PON Particulate organic nitrogen (e.g. algae, bacteria, detritus) ...

| PowerPoint PPT presentation | free to view

Ecosystems: Components, Energy Flow, and Matter Cycling - Ekologi Ekologi Fr n grekiska oikos som betyder hus. Handlar om hur olika organismer samverkar med varandra och med sin icke-levande omgivning.

Ekologi Ekologi Fr n grekiska oikos som betyder hus. Handlar om hur olika organismer samverkar med varandra och med sin icke-levande omgivning.

| PowerPoint PPT presentation | free to view

Ecotoxicology: PowerPoint PPT Presentation

Ecotoxicology: - 'Endocrine disruptors interfere with the synthesis, secretion, transport, binding, ... Toxicology, Industry and EPA 'Junk Science' 'Cannot Repeat' 'Controversy' ...

'Endocrine disruptors interfere with the synthesis, secretion, transport, binding, ... Toxicology, Industry and EPA 'Junk Science' 'Cannot Repeat' 'Controversy' ...

| PowerPoint PPT presentation | free to view

Ecosystems: Components, Energy Flow, and Matter Cycling - Ecosystems: Components, Energy Flow, and Matter Cycling All things come from earth, and to earth they all return Menander Soil Chemistry Acidity / Alkalinity ...

Ecosystems: Components, Energy Flow, and Matter Cycling All things come from earth, and to earth they all return Menander Soil Chemistry Acidity / Alkalinity ...

| PowerPoint PPT presentation | free to download

Istopos Estables III' Carbono y Nitrgeno PowerPoint PPT Presentation

Istopos Estables III' Carbono y Nitrgeno - El rango d13C en sistemas de plantas y el ambiente. CO2 del aire: -8 ... d15N en sistemas de plantas y el ambiente. N2 del aire: 0. Rango terrestre: -15 a 35 ...

El rango d13C en sistemas de plantas y el ambiente. CO2 del aire: -8 ... d15N en sistemas de plantas y el ambiente. N2 del aire: 0. Rango terrestre: -15 a 35 ...

| PowerPoint PPT presentation | free to view

Chapter 3 Ecosystems and Energy - The study of interactions among and between organisms in their abiotic ... Hydrosphere- earth's supply of water. Lithosphere- soil and rock of the earth's crust ...

The study of interactions among and between organisms in their abiotic ... Hydrosphere- earth's supply of water. Lithosphere- soil and rock of the earth's crust ...

| PowerPoint PPT presentation | free to view

Reducing the High Stroke Death Rate in Hawaii County - Reducing the High Stroke Death Rate in Hawaii County

Reducing the High Stroke Death Rate in Hawaii County

| PowerPoint PPT presentation | free to view

Health Information Exchange for Community Health Improvement - Health Information Exchange for Community Health Improvement

Health Information Exchange for Community Health Improvement

| PowerPoint PPT presentation | free to view

HUMAN ACTIVITIES ALTER HYDROLOGICAL CYCLE PowerPoint PPT Presentation

HUMAN ACTIVITIES ALTER HYDROLOGICAL CYCLE - Most of human activities that alter rainfall-runoff flow is unconscious. ... Human activities affect latent and sensible fluxes to the atmosphere. ...

Most of human activities that alter rainfall-runoff flow is unconscious. ... Human activities affect latent and sensible fluxes to the atmosphere. ...

| PowerPoint PPT presentation | free to download

Des - Des cosyst mes, des sols et des micro-organismes S. Barot IRD, Bioemco http://millsonia.free.fr/ LV 335, Introduction pas compte (comme les mod le de type Lotka ...

Des cosyst mes, des sols et des micro-organismes S. Barot IRD, Bioemco http://millsonia.free.fr/ LV 335, Introduction pas compte (comme les mod le de type Lotka ...

| PowerPoint PPT presentation | free to download

Hurricane Katrina PowerPoint PPT Presentation

Hurricane Katrina - Disturbance & Ecological Succession Hurricane Katrina Aug. 29, 2005 Image from http://earthobservatory.nasa.gov/Newsroom/NewImages/Images/katrina_goe_2005241_lrg.jpg

Disturbance & Ecological Succession Hurricane Katrina Aug. 29, 2005 Image from http://earthobservatory.nasa.gov/Newsroom/NewImages/Images/katrina_goe_2005241_lrg.jpg

| PowerPoint PPT presentation | free to view

Seminars - Title: PowerPoint Presentation Author: CABNR Last modified by: CABNR Created Date: 2/2/2004 8:58:20 PM Document presentation format: On-screen Show

Title: PowerPoint Presentation Author: CABNR Last modified by: CABNR Created Date: 2/2/2004 8:58:20 PM Document presentation format: On-screen Show

| PowerPoint PPT presentation | free to download

Elevated CO2 and N: The Future of PlantPollinator Interactions - Elevated CO2 and N: The Future of PlantPollinator Interactions

Elevated CO2 and N: The Future of PlantPollinator Interactions

| PowerPoint PPT presentation | free to view

Tradeoffs between Agricultural Production and Ecosystem Services at a Farm Level PowerPoint PPT Presentation

Tradeoffs between Agricultural Production and Ecosystem Services at a Farm Level - a. Dickinson State University. b. Southern Illinois University Carbondale ... At least 100 state threatened or endangered plant and animal species are known ...

a. Dickinson State University. b. Southern Illinois University Carbondale ... At least 100 state threatened or endangered plant and animal species are known ...

| PowerPoint PPT presentation | free to view

Diapositive 1 - Le but de cet expos est de mettre port e de mains du lecteur des l ments ... Les protozoaires affectent la croissance de la plante en modifiant la croissance ...

Le but de cet expos est de mettre port e de mains du lecteur des l ments ... Les protozoaires affectent la croissance de la plante en modifiant la croissance ...

| PowerPoint PPT presentation | free to download

Plants acquire nutrients via roots and microbes PowerPoint PPT Presentation

Plants acquire nutrients via roots and microbes - Plants acquire nutrients via roots and microbes ... Arbuscle. Ecto- Arbuscule. Arbuscule. Vesicle. Arbuscular. Resource transfer via hyphal network ...

Plants acquire nutrients via roots and microbes ... Arbuscle. Ecto- Arbuscule. Arbuscule. Vesicle. Arbuscular. Resource transfer via hyphal network ...

| PowerPoint PPT presentation | free to view

Hydrologic Change: A formal line of scientific inquiry - Hydrologic Change: A formal line of scientific inquiry

Hydrologic Change: A formal line of scientific inquiry

| PowerPoint PPT presentation | free to view

Seminars - Seminars ' ... EECB Colloquium OSN 102 at 4:00 PM Thursday April 1. Lonnie Aarsen, ... layer' below soil surface (especially if species burned has oily exudates) ...

Seminars ' ... EECB Colloquium OSN 102 at 4:00 PM Thursday April 1. Lonnie Aarsen, ... layer' below soil surface (especially if species burned has oily exudates) ...

| PowerPoint PPT presentation | free to view

Vitousek PowerPoint PPT Presentations