Theme 1-2: Rangeland/Grassland Ecology--Poster Sessions

The XXIV International Grassland Congress / XI International Rangeland Congress (Sustainable Use of Grassland and Rangeland Resources for Improved Livelihoods) takes place virtually from October 25 through October 29, 2021.
Proceedings edited by the National Organizing Committee of 2021 IGC/IRC Congress
Published by the Kenya Agricultural and Livestock Research Organization

XXIV International Grassland Congress /
XI International Rangeland Congress:
Rangeland/Grassland Ecology--Poster Sessions

An Integrated Assessment and Management Optimization System for Grazinglands

D. Toledo, U.S. Department of Agriculture
J. E. Herrick, U.S. Department of Agriculture
S. Goslee, U.S. Department of Agriculture
M. Sanderson, U.S. Department of Agriculture

An Integrated Framework to Study Ecological Tipping Points in Social-Ecological Systems

F. A. Männer, University of Bonn, Germany
L.-M. Schwarz, University of Bonn, Germany
D. A. Menestrey-Schwieger, University of Cologne, Germany
V. Amputu, University of Tübingen, Germany
M. C. Bilton, Namibia University of Science and Technology, Namibia
K. Brinkmann, Institute for Social-Ecological Research, Germany
G. Dressler, Helmholtz Centre for Environmental Research, Germany
N. Hamunyela, University of Namibia, Namibia
H. Heita, Namibia University of Science and Technology, Namibia
S. Heshmati, University of Tübingen, Germany
S. Liehr, Institute for Social-Ecological Research, Germany
M. Mbidzo, Namibia University of Science and Technology, Namibia
F. Munyebvu-Chambara, University of Namibia, Namibia
W. C. Nesongano, University of Namibia, Namibia
M. Rauchecker, Institute for Social-Ecological Research, Germany
A. Sandhage-Hofmann, University of Bonn, Germany
K. Tielbörger, University of Tübingen, Germany
K. Zimmer, University of Bonn, Germany
A. Linstädter, University of Potsdam, Germany

Assessment of Rangeland Condition in a Dryland System Using UAV-Based Multispectral Imagery

V. Amputu, University of Tübingen, Germany
K. Tielbörger, University of Tübingen, Germany
N. Knox, Namibia University of Science and Technology, Namibia

Back to the Roots - Do Traditional Maasai Management Strategies Work towards Resilience against Unpredictable Rainfall and Grazing Pressure in Northern Tanzania?

S. A. Baumgartner, University of Hohenheim, Germany
A. C. Treydte, Nelson Mandela African Institution of Science Technology, Tanzania

Can High Density, Short Duration Grazing Replace Fire in a South African Mesic Grassland?

N. M. Chonco, University of KwaZulu-Natal, South Africa
S. C. Nkuna, University of KwaZulu-Natal, South Africa

Characterizing Invasiveness through a Descriptive Study of Guinea Grass (Megathyrsus maximus) Growing in Three Habitat Types and Differing Herbivore Assemblages in Both Kenya and Texas

A. C. Rhodes, University of Texas at Austin
R. M. Plowes, University of Texas at Austin
D. J. Martins, Mpala Research Centre, Kenya
I. Ng'Iru, Mpala Research Centre, Kenya
L. E. Gilbert, University of Texas at Austin

Cloud Computing Solution for Monitoring Arid Rangeland Dynamics: Case of Moroccan Highlands and Southern Acacia Ecosystems

Said Lahssini, National School of Forest Engineer, Morocco
Said Moukrim, Mohammed V University in Rabat, Morocco
H. Mharzi-Alaoui, Waters and Forests Department, Morocco
N. Rifai, Waters and Forests Department, Morocco
L. El Mansouri, Institut Agronomique et vétérinaire, Morocco
F. El Wahidi, Caddy Ayad University, Morocco

Local Knowledge on the Changes in Vegetation Composition and Abundance in Rusinga Island, Homa Bay County, Kenya

M. N. Nyaga, University of Nairobi, Kenya
S. M. Mureithi, University of Nairobi, Kenya
V. O. Wasonga, University of Nairobi, Kenya
O. K. Koech, University of Nairobi, Kenya

Comparative Anatomical Study of the Grasses in the Range Lands of Kovilpatti, Tamil Nadu of India

B. Makesh Kumar, G. Venkataswamy Naidu College, India
J. Stephan, G. Venkataswamy Naidu College, India
P. Kumar, G. Venkataswamy Naidu College, India

Decomposition Rates of Organic Material across Herbivore Treatments in a Nutrient-Rich Semi-Arid Sodic Savanna

L. L. Erasmus, North-West University, South Africa
H. Van Coller, North-West University, South Africa
S. Claassens, North-West University, South Africa
F. Siebert, North-West University, South Africa

Degradation Issue of Fescue-Forbs Rangeland in the Mountain Steppe of Mongolia

Otgontuya Lkhagvajav, Research Institute of Animal Husbandry, Mongolia
Lkhagvajav Namdag, Research Institute of Animal Husbandry, Mongolia
Munkhbat Chimed, Research Institute of Animal Husbandry, Mongolia

Describing Cattle Grazing Distribution in Communal Rangelands of the Eastern Cape South Africa: Towards Improving Livestock Rangeland Use

B. Gusha, Rhodes University, South Africa
A. R. Palmer, Rhodes University, South Africa

The Relationship between Grassland Composition on Stemborer Abundance on Grasses Surrounding Maize Farms

Nelima Maryselah, International Centre of Insect Physiology and Ecology, Kenya
Mutyambai M. Daniel, International Centre of Insect Physiology and Ecology, Kenya
Kuyah Shem, Jomo Kenyatta University of Agriculture and Technology, Kenya
Netondo Godfrey, Maseno University, Kenya
Mattias Jonsons, Swedish University of Agricultural Sciences, Sweden

Forb Counts in Grassland Are Sensitive to Analytical Method

Gene A. Fults, U.S. Department of Agriculture

Grasslands Classification in Yobe State Nigeria Using Integrated Orderly Classification System of Grassland (IOCSG)

S. Usman, Lanzhou University, China
M. G. Bala, Yobe State College of Agriculture Gujba, Nigeria
Y. Shen, Lanzhou University, China

Habitat, Phenology, and Seed Studies of Citrullus colocynthis in Lut Desert, Iran

Nastaran Kahrom
Mohammad Farzam
Mansour Mesdaghi

Impact of Enclosures on Range Productivity in Chepareria West Pokot County Kenya

Regina W. Waiganjo
P. N. Mwangi
Rebecca H. Karanja

Increased Above-Ground Biomass and Plant Species Decline Related to the Presence of Eragrostis curvula across Multiple Grazing Grasslands in the Snowy Monaro Region of Australia

J. Brown, University of Sydney
L. Ingram, University of Sydney

Influence of Grazing Intensity on Nutrient Concentrations in Grass Tissue: Evidence from Two Savannah Grass Species

C. Munyati, North-West University, South Africa

Interacting Effects of Disease and Weather Variability on Rangeland Biodiversity Associated with Black-Tailed Prairie Dog (Cynomys ludovicianus) Colonies

Courtney J. Duchardt, Oklahoma State University
J. D. Hennig, University of Wyoming
D. Pellatz, Thunder Basin Grassland Prairie Ecosystem Association

Interactive Effects of Drought and Fire on Co-Existing Woody and Herbaceous Communities in a Temperate Mesic Grassland

R. Keen, Kansas State University
J. Nippert, Kansas State University
E. Tooley, Kansas State University
K. O’Keefe, University of Wyoming
S. Bachle, Kansas State University
M. Sandwick, Kansas State University

Isotopic δ15N Signature of Grass-Alone and Grass-Legume Tropical Pastures to Estimate Sources of Nitrogen to Grasses in Farmer Managed Pastures

Daniel M. Villegas, International Center for Tropical Agriculture, Colombia
J. Velasquez, Universidad de la Amazonia, Colombia
J. Arango, International Center for Tropical Agriculture, Colombia
K. Obregon, Universidad de la Amazonia, Colombia
Idupulapati M. Rao, International Center for Tropical Agriculture, Colombia
G. Rosas, Universidad de la Amazonia, Colombia
A. Oberson, ETH Zurich, Switzerland

Landscape-Level Impacts of Mesquite Canopy Cover on Herbaceous Species Composition

D. B. Murray, Tarleton State University
C. E. Cooper, Texas Tech University

The Diversity of Poisonous Plant Patches in the Arid Rangelands of Namaqualand, South Africa

T. Jamalie, University of the Western Cape, South Africa
M. I. Samuels, Agricultural Research Council, South Africa
C. F. Cupido, Agricultural Research Council, South Africa
F. L. Müller, Agricultural Research Council, South Africa
W. L. Engelbrecht, Agricultural Research Council, South Africa
T. Dube, University of the Western Cape, South Africa
R. S. Knight, University of the Western Cape, South Africa

Productivity of Grasslands in Wielkopolska in Conditions of Weather Variables Changes in the Last 34 Years

B. Golińska, Poznan University of Life Sciences, Poland
M. Czerwiński, Poznań University of Life Sciences, Poland
P. Goliński, Poznań University of Life Sciences, Poland

Relationship between Exchangeable Acidity and Persistence of Orchardgrass (Dactylis glomerata) in Temperate Pastures under Different Management

H. Kakihara, Tohoku University, Japan
S. Ogura, Tohoku University, Japan

Range Condition Classification Based on Quantitative Characteristics of Vegetation

Nafiseh Fakhar, University of Tehran, Iran
Mansour Mesdaghi, Ferdoowsi University of Mashhad, Iran
Kamal Naseri, Ferdoowsi University of Mashhad, Iran

Restoring Rangelands for Nutrition and Health for Humans and Livestock

I. Öborn, Swedish University of Agricultural Sciences, Sweden
A. Bargués Tobella, Swedish University of Agricultural Sciences, Sweden
G. Bostedt, Swedish University of Agricultural Sciences, Sweden
A. Hörnell, Umeå University, Sweden
P. Knutsson, Gothenburgh University, Sweden
K. Lindvall, Umeå University, Sweden
D. Mpairwe, Makerere University, Uganda
S. Mureithi, University of Nairobi, Kenya
G. Nyberg, Swedish University of Agricultural Sciences, Sweden
Y. Nyberg, Swedish University of Agricultural Sciences, Sweden
B. Schumann, Linneus University, Sweden
A. Turinawe, Makerere University, Uganda
T. Vågen, World Agroforestry
D. Wakjira, Intergovernmental Authority on Development
L. Winowiecki, World Agroforestry
E. Wredle, Swedish University of Agricultural Sciences, Sweden

Role of Different Shrubs in Soil Seed Bank Conservation in Different Climates of Iran

Reza Erfanzadeh, Tarbiat Modares University, Iran
Fatemeh Barzegaran, Tarbiat Modares University, Iran
Shadi Hazhir, Tarbiat Modares University, Iran
Sirus Saber Amoli, Mazandaran Agriculture and Natural Resources Research and Education Center, Iran

Sheep Grazing Patterns for Better Land Management: Adjusting GPS Tracking Protocol

J. Castro, Instituto Politécnico de Bragança, Portugal
L. M. Godoy, Instituto Politécnico de Bragança, Portugal
J. P. Castro, Instituto Politécnico de Bragança, Portugal
M. Castro, Instituto Politécnico de Bragança, Portugal

Simple Guidelines for Deciding When Soil Variability Does – and Doesn’t – Matter for Rangeland Management and Restoration

Jeff E. Herrick, U.S. Department of Agriculture
J. Maynard, University of Colorado at Boulder
B. Bestelmeyer, U.S. Department of Agriculture
A. Ganguli, New Mexico State University, Las Cruces
J. Glover, U.S. Agency for International Development
K. Johnson, U.S. Agency for International Development
D. Kimiti, Grevy’s Zebra Trust, Kenya
J. Neff, University of Colorado at Boulder
G. Peacock, Land-Potential Knowledge System Project
J. Peters, U.S. Agency for International Development
S. Salley, U.S. Department of Agriculture
P. Shaver, Oregon State University
K. Shepherd, Center for International Forestry Research, Kenya
Z. Stewart, U.S. Agency for International Development
R. van den Bosch, International Soil Reference and Information Centre, The Netherlands

Soil Water Movement in a Watershed in the Chilean Patagonia

J. Ivelic-Sáez, INIA, Chile
P. Cisternas, Universidad Austral de Chile, Chile
J. Dörner, Universidad Austral de Chile, Chile
J. Arumí, Universidad de Concepción, Chile
J. Valenzuela, INIA, Chile
E. Muñoz, Universidad Católica de la Santísima Concepción, Chile
S. Valle, Universidad Austral de Chile, Chile
H. Alonso, Universidad de Concepción, Chile
R. López, INIA, Chile
H. Uribe, INIA, Chile

State and Transition Models in Space and Time – Using STMs to Understand Broad Patterns of Ecosystem Change in Iceland

I. C. Barrio, Agricultural University of Iceland, Iceland
D. S. Hik, Simon Fraser University, Canada
T. A. Mulloy, Simon Fraser University, Canada
J. Thorsson, Soil Conservation Service of Iceland, Iceland
K. Svavarsdóttir, Soil Conservation Service of Iceland, Iceland
B. Marteinsdóttir, Soil Conservation Service of Iceland, Iceland
I. S. Jónsdóttir, University of Iceland, Iceland

The Effects of Chemical and Mechanical Control of Woody Plants on Resprouting and Seedling Production in Communal Rangelands

P. Monegi, Agricultural Research Council, South Africa
N. R. Mkhize, University of KwaZulu-Natal, South Africa
T. J. Tjelele, University of KwaZulu-Natal, South Africa
D. Ward, Kent State University
Z. Tsvuura, University of KwaZulu-Natal, South Africa

The Functional Importance of Forbs in Grassland Ecosystems

F. Siebert, North-West University, South Africa
C. Morris, Agricultural Research Council, South Africa
S. Chamane, University of KwaZulu-Natal, South Africa
N. Ntuli, University of Zululand, South Africa
S. J. Siebert, North-West University, South Africa

The Type and Quantity of Plant Litter Influences the Plant Functional Group Growth in an Alpine Meadow

Zhouwen Ma, Lanzhou University, China
Fujiang Hou, Lanzhou University, China

Vegetation Response to Grazing Pressure in the Puna Flat, NW Argentina

M. Quiroga Mendiola, National Institute of Agricultural Technology, Argentina
A. Tálamo, National University of Salta, Argentina

Grass Species Density and Biomass of South African Communal Property Association Farms Differing in Soil Properties

K. E. Ravhuhali, North West University, South Africa
B. Moyo, Fort Cox Agriculture and Forestry Training Institute, South Africa

Biodiversity Assessment and Conservation of Threatened Plant Species Belonging to the Unique Steppe with Trees in Tunisian Drylands

Jamila Msadek, University of Gabes, Tunisia
Mohamed Tarhouni, University of Gabes, Tunisia

An Approach to Evaluate Soils Influence on Floristic Composition of Natural Grasslands

F. L. F. de Quadros, Universidade Federal de Santa Maria, Brazil
R. M. R. de Carvalho, Escola Estadual De Ensino Médio Gastão Bragatti Lepage, Brazil
R. Farenzena, Universidade Federal de Santa Maria, Brazil
L. Marin, Universidade Federal de Santa Maria, Brazil
P. L. Nascimento, Universidade Federal de Santa Maria, Brazil

Interindividual Differences and Their Consistency in Grazing Cattle Behavior across Seasons

H. Anzai, University of Miyazaki, Japan
M. Shitajikkoku, University of Miyazaki, Japan
K. Hani, University of Miyazaki, Japan
N. Yamada, University of Miyazaki, Japan
M. Hirata, University of Miyazaki, Japan

Rangeland Degradation in Mongolia – Using State and Transition Models to Help Understand Rangeland Dynamics

S. Sainnemekh, Agricultural University of Iceland, Iceland
B. Densambuu, Swiss Agency for Development and Cooperation, Mongolia
B. Bestelmeyer, U.S. Department of Agriculture
I. C. Barrio, Agricultural University of Iceland, Iceland
A. L. Aradóttir, Agricultural University of Iceland, Iceland

Sustainable Management of Rangelands: An Assessment of Invasion Cover Trajectories and Their Contribution to Invasion Management in Marigat Sub-County, Kenya

Beatrice Adoyo, University of Nairobi, Kenya
Albrecht Ehrensperger, University of Bern, Switzerland
Mikalitsa S. Mukhovi, University of Nairobi, Kenya
Boniface Kiteme, Training and Integrated Research in ASAL Development, Kenya
Purity Mbaabu Rima, Chuka University, Kenya
Sandra Eckert, Centre for Agriculture and Bioscience International, Switzerland
Simon Choge, Kenya Forestry Research Institute, Kenya
Urs Schaffner, Centre for Agriculture and Bioscience International, Switzerland

The Comparative Effects of Short Duration, High Density and Conventional, Rotational Grazing on Different Soil, Vegetation and Animal Parameters in Dry and Mesic Grasslands of South Africa

Jamie Paulse, University of the Free State, South Africa
Paul Malan, University of the Free State, South Africa
Nico Smit, University of the Free State, South Africa