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2023

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Articles 61 - 90 of 1514

Full-Text Articles in Plant Pathology

Ecologically-Based Rodent Pest Management: Research Progress In Plateau Zokors On Qinghai-Tibetan Plateau, Su Junhu, Kang Yukun Nov 2023

Ecologically-Based Rodent Pest Management: Research Progress In Plateau Zokors On Qinghai-Tibetan Plateau, Su Junhu, Kang Yukun

IGC Proceedings (1977-2023)

Rodent management has been an ongoing global challenge. The emergence of ecologically based rodent management (EBRM) has improved a series of dilemmas in traditional rodent control that are poorly targeted, unsustainable, and environmentally harmful. The plateau zokor (Eospalax baileyi) is a key species in the Qinghai-Tibetan Plateau (QTP). In recent years, due to its high population density, this subterranean rodent has caused serious damage to the grassland ecosystems on the QTP. Currently, a series of explorations of EBRM on plateau zokors have been initiated. We review progress about EBRM on plateau zokor in this paper, which mainly includes …

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Carbon-Nitrogen Ratios In Rangeland Soils In Various Agriculture Response Units In Three Watersheds In The Central Himalayas, India, Nanda Nautiyal, Vir Singh Nov 2023

Carbon-Nitrogen Ratios In Rangeland Soils In Various Agriculture Response Units In Three Watersheds In The Central Himalayas, India, Nanda Nautiyal, Vir Singh

IGC Proceedings (1977-2023)

CN ratios of rangeland soils in selected agriculture response units (ARUs) prevailing in three watersheds, Kosi, Alaknanda, and Pindar, in the Indian Central Himalayan mountains were analyzed. The ratios varied significantly (P

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Challenges And Opportunities To Increase Carbon Sequestration In Subtropical Grazing Lands, Maria L. S. Silveira, João M. B. Vendramini, Elizabeth H. Boughton, Rosvel Bracho, Marta M. Kohmann, Abmael S. Cardoso Nov 2023

Challenges And Opportunities To Increase Carbon Sequestration In Subtropical Grazing Lands, Maria L. S. Silveira, João M. B. Vendramini, Elizabeth H. Boughton, Rosvel Bracho, Marta M. Kohmann, Abmael S. Cardoso

IGC Proceedings (1977-2023)

Livestock production has a significant environmental footprint. However, adoption of regenerative grazing land management practices can serve as a means of producing food with lower, or even net positive environmental impacts. Globally, much of the grazing land ecosystems are degraded due to improper management. This is particularly true in the southeastern US, where extensive areas of planted pastures are degraded due to inadequate nutrient and soil management. In this presentation, we will discuss the opportunities and challenges associated with increasing soil and ecosystem C sequestration in subtropical grazing lands through regenerative management practices. Introduction

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Impact Of The Brachiaria Hybrids On Both Soil Health And Carbon Stock On Livestock Production, A. Silva, T. Madeira, D. Florian, E. A. Pizarro, R. N. Jauregui, G. Lobato, A. Santi, D. Fagundes, F. Pinheiro, A. Rieger, A. Cagliari Nov 2023

Impact Of The Brachiaria Hybrids On Both Soil Health And Carbon Stock On Livestock Production, A. Silva, T. Madeira, D. Florian, E. A. Pizarro, R. N. Jauregui, G. Lobato, A. Santi, D. Fagundes, F. Pinheiro, A. Rieger, A. Cagliari

IGC Proceedings (1977-2023)

Pastures occupy 30% of Earth and 80% of the entire agricultural area of the planet. To ensure food to the world and contribute to the quality of the environment, pasture-based animal production systems will also have to undergo through a more intense evolution. The intensification of tropical grasslands is an important strategy of land utilization in developing countries, contributing to increase production and minimize environmental impact through the best management practices. In this sense, the use of Brachiaria hybrids represents an excellent option, since combining the best traits of different Brachiaria species, with higher nutritive value, forage, and seed yield. …

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Grazing Effects On Soil Seed Banks: A Global Synthesis, Shi Yafei Nov 2023

Grazing Effects On Soil Seed Banks: A Global Synthesis, Shi Yafei

IGC Proceedings (1977-2023)

Livestock grazing is a major disturbance affecting plant diversity and abundance in terrestrial ecosystems. The intermediate disturbance hypothesis (IDH) predicts that moderate-intensity grazing should produce the highest species diversity, while the Milchunas-Sala-Lauenroth (MSL) model posits that the IDH is valid only for mesic areas. However, it remains unclear how grazing affects soil seed bank and whether or not the IDH or MSL models are valid for soil seed bank communities. Here, we presented a global meta-analysis synthesizing 483 observations: we found that grazing had a negative effect on soil seed bank abundance, but did not alter seed bank richness. Further …

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Effect Of Tan-Sheep Rotational Grazing On Soil Erosion In Typical Steppe On The Loess Plateau Of China, Shi Li-Yuan, Hou Fu-Jiang, Lou Shan-Ning Nov 2023

Effect Of Tan-Sheep Rotational Grazing On Soil Erosion In Typical Steppe On The Loess Plateau Of China, Shi Li-Yuan, Hou Fu-Jiang, Lou Shan-Ning

IGC Proceedings (1977-2023)

The effect of stocking rate on soil erosion has been at the forefront of water and soil conservation studies in recent years. By observing soil erosion caused by rainfall in typical steppe on the Loess Plateau in China, this research aimed to further explore the effect of stocking rate on soil erosion. The results showed that all the concerned indicators of soil erosion (runoff, runoff coefficient, soil loss, soil organic carbon loss, and soil total nitrogen and total phosphorus loss) had a significant (P < 0.001) positive linear correlation with stocking rate alone, and precipitation alone, while the indicators of runoff and soil loss had a significant (P < 0.01) negative linear correlation with typicalsteppe biomass (aboveground biomass, litter mass, and belowground biomass). Both stocking rate and precipitation had large significant (P < 0.01) effects on soil erosion via changes in aboveground biomass, litter mass, and soil organic carbon.

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Effects Of Different Grazing Intensities On Grasshopper Communities In Stipa Breviflora Desert Steppe, Guodong Han, Tingting Shen Nov 2023

Effects Of Different Grazing Intensities On Grasshopper Communities In Stipa Breviflora Desert Steppe, Guodong Han, Tingting Shen

IGC Proceedings (1977-2023)

As a common method of grassland management, grazing plays an important role in grassland conservation. Grasshoppers and large herbivores are integral parts of grassland biodiversity and food webs. However, to some extent there is still room for further research on how grasshoppers cope with grazing by large herbivores. A field grazing experiment in Stipa breviflora desert steppe in Inner Mongolia, China to investigate the effects of sheep grazing intensity on the abundance and richness of locust population and community. The grazing experiment started in 2004, and the grasshopper population and community were investigated in 2021. The results showed that: Grazing …

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Carbon Sequestration Potential Of Pasture-Based Systems Along An Altitudinal Gradient In The North-Western Himalayas, Harish Sharma, K. S. Pant, Rohit Bishist, Ravinder Sharma, Uday Sharma, M. K. Brahmi Nov 2023

Carbon Sequestration Potential Of Pasture-Based Systems Along An Altitudinal Gradient In The North-Western Himalayas, Harish Sharma, K. S. Pant, Rohit Bishist, Ravinder Sharma, Uday Sharma, M. K. Brahmi

IGC Proceedings (1977-2023)

The present investigation was carried out in the Chamba district of Himachal Pradesh (India) to identify the pasture-based land use systems being practiced by farmers and to find out their carbon sequestration potential along different altitudes. For carrying out the study, the area was divided into four altitudinal ranges viz., zone-I (amsl), zone-II (1000-1500 m amsl), zone-III (1500- 2500 m amsl) and zone-IV (> 2500 m amsl), according to agro-ecological zones in the state. Results revealed that the pasture-based systems practiced by the farmers in the altitudinal zone-I and zone-II were silvo-pasture and pastoral-silviculture, while, at altitudinal zone-III and zone-IV, …

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Evaluating Functional Diversity As Potential Early-Warning Indicator Of Rangeland Degradation, L.-M. Schwarz, C. P. Carmona, M. C. Bilton, F. Munyebvu-Chambara, K. Behn, A. Linstädter Nov 2023

Evaluating Functional Diversity As Potential Early-Warning Indicator Of Rangeland Degradation, L.-M. Schwarz, C. P. Carmona, M. C. Bilton, F. Munyebvu-Chambara, K. Behn, A. Linstädter

IGC Proceedings (1977-2023)

Droughts and overgrazing play a crucial role in the degradation of semi-arid rangelands. This is evident in the loss of palatable long-lived grass species and bush encroachment. Early warning indicators are needed to mitigate long-term degradation and decline in essential forage provision. Functional diversity provides valuable information on ecosystem health. However, functional diversity indices have not yet been tested regarding their applicability as early warning indicators, revealing non-linear threshold behaviour. We therefore examined the following questions: (1) How do functional diversity indices respond to grazing pressure? (2) Does land tenure affect the relationship between functional diversity and grazing pressure? (3) …

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Integrating Grazing With 2,4-D And Florpyrauxifen To Control Broadleaf Weeds And Maintain Red Clover Productivity In Grass-Legume Pastures, M. J. Renz, G. M. Imhoff Nov 2023

Integrating Grazing With 2,4-D And Florpyrauxifen To Control Broadleaf Weeds And Maintain Red Clover Productivity In Grass-Legume Pastures, M. J. Renz, G. M. Imhoff

IGC Proceedings (1977-2023)

In grass-legume pastures, 2,4-D-amine + florpyrauxifen-benzyl controls broadleaf weeds but red clover (Trifolium pratense L.) is eliminated. Grazing within a week prior to herbicide application is likely to reduce leaf surface area and may reduce red clover injury and maintain productivity. Experiments were conducted in 2020 and in 2021 to determine if red clover could be productive when 560 g ae ha-1 2,4-D-amine + 6.3 g ae ha-1 of florpyrauxifen-benzyl with 1% v/v methylated seed oil applied in the spring was grazed before or after herbicide application. Grazing timings occurred 6, 4, or 2 days prior to herbicide …

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Effect Of Simulated Precipitation On Soil Enzyme Activity Of Stipa Breviflora Desert Steppe, Ren Zihuana, Wang Zhongwub, Han Guodongb Nov 2023

Effect Of Simulated Precipitation On Soil Enzyme Activity Of Stipa Breviflora Desert Steppe, Ren Zihuana, Wang Zhongwub, Han Guodongb

IGC Proceedings (1977-2023)

The availability of nutrients for the grassland ecosystem is significantly influenced by changes in soil enzyme activity brought on by precipitation. Soil enzyme activity is an essential element controlling soil nutrient supply. This study used the Inner Mongolian desert steppe as its research subject and examined how different soil enzymes—urease, alkaline phosphatase, and invertase reacted to changing precipitation levels. According to the typical quantity of long-term precipitation in the area, four gradients of precipitation were established: 50% reduction (P1), control (P2), 50% increase (P3), and 100% increase (P4). First, the findings revealed that rising precipitation can boost invertase and alkaline …

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Survival Rate And Morphological Growth Patterns Of Five Populations Of Festuca Dolichophylla Under Similar Conditions, Y. Paucar, E. R. Flores, H. M. Guillén, L. Aguirre Nov 2023

Survival Rate And Morphological Growth Patterns Of Five Populations Of Festuca Dolichophylla Under Similar Conditions, Y. Paucar, E. R. Flores, H. M. Guillén, L. Aguirre

IGC Proceedings (1977-2023)

The majority of the natural grasslands of Perú are located in the Puna region; they are the only source of feed for raising animals in this area, and they also protect the soil from erosion. Festuca dolichophylla is a representative species with high productivity in this ecosystem. The aim of this study was to evaluate survival rate and morphological growth patterns of five populations of Festuca dolichophylla under similar conditions. Five accessions were obtained from each population: Pastales Huando Peasant Community - Huancavelica (CCPH), Lachocc South American Camelids Research and Development Center of the National University of Huancavelica (CIDCSL), Junin, …

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Enhancing Milk Production Of Lactating Camels In Kenya Via Supplementation Of The Invasive Cactus (Opuntia Stricta) In The Diet, W. O. Owino, Lucy W. Ikanya, J. G. Maina, C. K. Gachuiri, José C. B. Dubeux Jr. Nov 2023

Enhancing Milk Production Of Lactating Camels In Kenya Via Supplementation Of The Invasive Cactus (Opuntia Stricta) In The Diet, W. O. Owino, Lucy W. Ikanya, J. G. Maina, C. K. Gachuiri, José C. B. Dubeux Jr.

IGC Proceedings (1977-2023)

Climate change leading to prolonged and recurrent droughts, changes in land use, primarily settlement of pastoralists, followed by overgrazing and subsequent land degradation, has made the highly drought resistant opuntia flourish and be aggressively invasive in the Kenya’s rangelands. Camel keeping has increasingly replaced cattle as a climate adaptation strategy and also as a result of a steady increase in demand for camel milk due to the associated nutritional and health benefits,To address the challenge of lack of pasture during prolonged drought, there is the need to utilize the invasive cactus as fodder. The invasive cactus can be a kind …

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Potential Of Indigenous Desert Grasses For Forage Production In A Water-Scarce Region, A. E. Osman Nov 2023

Potential Of Indigenous Desert Grasses For Forage Production In A Water-Scarce Region, A. E. Osman

IGC Proceedings (1977-2023)

Indigenous perennial grasses are widely distributed in the Arabian Peninsula. Their survival under limited rainfall and grazing suggests a potential role as grassland species and for rehabilitation of degraded rangelands. Forage productivity and water-use efficiency (WUE) was determined over 2 years for four indigenous grasses: buffel grass (Cenchrus ciliaris L.), dakhna (Coelachyrum piercei Benth.), da’ay (Lasiurus scindicus Henr.) and tuman (Panicum turgidum Forssk.) together with one exotic species, rhodes grass (Chloris gayana Kunth) in the central region of the United Arab Emirates. Three irrigation treatments were used: R1 (1858–6758 m3 ha-1 year-1 …

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Effect Of Land Management On Grassland Carbon Dioxide Fluxes, M. O’Neill, S. F. Islam, J. Rambaud, G. J. Lanigan, K. G. Richards, M. B. Lynch Nov 2023

Effect Of Land Management On Grassland Carbon Dioxide Fluxes, M. O’Neill, S. F. Islam, J. Rambaud, G. J. Lanigan, K. G. Richards, M. B. Lynch

IGC Proceedings (1977-2023)

Grassland soils can act as both a source and sink for atmospheric carbon dioxide (CO2). Implementing grassland management practices that increase the rates of soil CO2 sequestration are urgently sought to offset Ireland’s agricultural greenhouse gas emissions. However, land management of Irish grasslands is not yet accounted for in the national inventories simultaneously posing a limitation and opportunity for refining modelled estimates of carbon sequestration. In this study, eddy covariance flux towers were established to monitor net ecosystem CO2 exchange (NEE), gross primary productivity (GPP) and ecosystem respiration (Re) in three grassland types (intensive dairy grazing, drystock grazing and zero- …

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Fe And Mn Concentrations In Plants Correlated Negatively With Air Temperature Precipitation In Three Types Of Grassland, Jiao Ning, Fujiang Hou, Shengsheng Liu Nov 2023

Fe And Mn Concentrations In Plants Correlated Negatively With Air Temperature Precipitation In Three Types Of Grassland, Jiao Ning, Fujiang Hou, Shengsheng Liu

IGC Proceedings (1977-2023)

Alpine meadows, typical steppe, and deserts are globally important grassland ecosystems. We investigated the seasonal trends in Fe and Mn concentrations in the dominant species and community of plants from diverse grassland types in northwest China. It was found that seasonal Fe and Mn concentrations in most plant species were negatively correlated with seasonal precipitation, biomass, and temperature. Additionally, seasonal Cu concentrations in Reaumuria soongorica was significantly correlated with seasonal precipitation. The seasonal mean temperature explained more of the seasonal variation of the Fe and Mn concentrations in the plant community of these grasslands than precipitation, except for the concentrations …

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Comprehensive Evaluation Of Endophytic Fungi And Rhizosphere Soil Fungi On The Growth Of Achnatherum Inebrians, X. M. Nie, X. X. Zhang, Z. B. Nan Nov 2023

Comprehensive Evaluation Of Endophytic Fungi And Rhizosphere Soil Fungi On The Growth Of Achnatherum Inebrians, X. M. Nie, X. X. Zhang, Z. B. Nan

IGC Proceedings (1977-2023)

This study was conducted to clarify the effect of endophytic fungi and rhizosphere soil fungi on the growth of Achnatherum inebrians. In this study, the seeds of A. inebrians with endophyte-infected (EI) and endophyte-free (EF) were used as materials. Eight fungi isolated from rhizosphere soil were inoculated through germination and greenhouse pot experiment. The results showed that the endophytes, rhizosphere soil fungi and their combined effect all had significant effect on the seed germination and plant growth of A. inebrians, and the affected factors varied with the tested materials and strains. Through comprehensive evaluation of principal component analysis …

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Vicuñas’ (Vicugna Vicugna Mensalis) Diet Composition Under Community Management In The Puna Grasslands, Katherine Capuñay, Samuel Pizarro, Javier Ñaupari Nov 2023

Vicuñas’ (Vicugna Vicugna Mensalis) Diet Composition Under Community Management In The Puna Grasslands, Katherine Capuñay, Samuel Pizarro, Javier Ñaupari

IGC Proceedings (1977-2023)

The objective of the present study was to determine the composition of the vicuña (V. vicugna mensalis) diet at the end of the drought period (November, 2019) in the San Cristobal de Lucanas Community, in the department of Ayacucho, Peru. Eight sites were chosen, where vicuñas were observed grazing in Pajonal (tussock grassland), Cesped (short grassland), Pajonal-Cesped and Tholar-grass. For the botanical composition of the diet, fecal samples were collected in 80 dung piles, which were prepared for microhistological analysis and determined the plants consumed in the vicuña’s diet. The botanical composition of the diets in the different …

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Degradation And Vulnerability To Climate Change In High Andean Rangelands, Samuel Pizarro, Javier Ñaupari Nov 2023

Degradation And Vulnerability To Climate Change In High Andean Rangelands, Samuel Pizarro, Javier Ñaupari

IGC Proceedings (1977-2023)

Rangeland degradation is a process associated with loss of ecosystem equilibrium. Therefore, this work seeks to identify the most important factors that cause the degradation process of rangelands, assess the degree of degradation and vulnerability to current climate change of these ecosystems; and determine if there is a relationship between the degree of rangeland degradation and vulnerability to climate change in high Andean rangelands. The study was located in the central highlands of Peru (Ancash, Junín, Pasco, Huancavelica and Lima) and involved the design of a framework to assess rangeland degradation based on field information and Landsat satellite products that …

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Grass Diversity And Pasture Quality Baseline Assessement In Central Madagascar, O. P. Nanjarisoa, L. Randriamanalina, Wayne F. Truter, M. T. Rajaonah, C. E. R. Lehmann, C. Birkinshaw, L. Rakotonirina, D. Miarinjanahary, N. L. Raharinirina, M. S. Vorontsova Nov 2023

Grass Diversity And Pasture Quality Baseline Assessement In Central Madagascar, O. P. Nanjarisoa, L. Randriamanalina, Wayne F. Truter, M. T. Rajaonah, C. E. R. Lehmann, C. Birkinshaw, L. Rakotonirina, D. Miarinjanahary, N. L. Raharinirina, M. S. Vorontsova

IGC Proceedings (1977-2023)

Poaceae family contributes to Madagascar’s biodiversity hotspot with 217 of 541 grass species endemic to the island, although their forage value is unknown, at least in the scientific literature. Our research aims 1) to describe the diversity of native and endemic grasses thereby recognising the role of grass species diversity in forage and ecosystem management and 2) to provide new knowledge about pasture management based on the relationship between grazing capacity and productivity within experimental pastureland plots under different fire and grazing treatments. Our study seeks to provide information to inform improvements in livestock nutrition via grazing management of natural …

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Effects Of Proximity To Roads On Tissue Surface Ph, Conductivity And Heavy Metal Contents Of A Grazing Grass Species, C. Munyati, M. S. Mathole Nov 2023

Effects Of Proximity To Roads On Tissue Surface Ph, Conductivity And Heavy Metal Contents Of A Grazing Grass Species, C. Munyati, M. S. Mathole

IGC Proceedings (1977-2023)

Globally, road networks are expanding in the countryside. Though beneficial to society, the roads potentially have detrimental effects on grazing quality. The effects are seldom quantified. In this study Eragrostis lehmanniana, a common native grazing grass in parts of the world, was examined for indicative data on the impacts of roads on grasses. Aboveground tissue samples were collected monthly on three occasions during the growing season, at the same respective locations near three high traffic highways. Non-senescent specimens were sampled along transects of up to 400 m perpendicular to the highways, starting from the road edge and then at …

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Screening Annual Ryegrass For Increased Tolerance To Blast (Pyricularia Oryzae), C. M. Adams, B. S. Baldwin, J. L. Morrison Nov 2023

Screening Annual Ryegrass For Increased Tolerance To Blast (Pyricularia Oryzae), C. M. Adams, B. S. Baldwin, J. L. Morrison

IGC Proceedings (1977-2023)

Annual ryegrass [Lolium perenne L. spp. multiflorum (Lam.) Husnot] is a high-quality forage utilized heavily in the Southeast for pasture and grazing. Gray Leaf Spot (Pyricularia oryzae) is a fungal pathogen that infects gramineous species and is a common problem in perennial and annual ryegrass stands. This study was designed to screen for resistance to P. oryzae in the annual ryegrass cultivar Vertyl (PI 619473, FRA) and a heat-tolerant germplasm (HTARG5) derived from Marshall (PI 600770, USA) with intent to use recurrent phenotypic selection to crossbreed the two accessions. Marshall was also included as a susceptible reference …

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Tiller Demography Within Synthetic Grass Populations, K. J. Moore, C. Córdova Nov 2023

Tiller Demography Within Synthetic Grass Populations, K. J. Moore, C. Córdova

IGC Proceedings (1977-2023)

Like other populations of biological organisms, the collective aging structure of a population of grass tillers has meaning and consequences far beyond the development of an individual within it. Using various methods, it is possible to assign numerical indices to tiller development so that it can be described numerically. By sampling a population of tillers and assigning a numerical index to each, the average stage of tillers within a population can be calculated and a repeatable assessment of its development determined. The average or mean stage count (MSC) of tiller development is commonly calculated and used to compare the development …

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Soil Seed Banks Along A Woody Plant Removal Gradient In A Semi-Arid Savanna Of South Africa: Implications For Restoration, Mthunzi Mndela, Mziwanda Mangwane, Nothando Ngcobo, Nchaupa Johannes Rasekgokga, Piet Monegi Nov 2023

Soil Seed Banks Along A Woody Plant Removal Gradient In A Semi-Arid Savanna Of South Africa: Implications For Restoration, Mthunzi Mndela, Mziwanda Mangwane, Nothando Ngcobo, Nchaupa Johannes Rasekgokga, Piet Monegi

IGC Proceedings (1977-2023)

Woody plant encroachment threatens ecosystem services and functions, thereby reducing herbaceous plant population persistence and community stability. Consequently, woody plant control projects are implemented in South Africa to restore herbaceous vegetation. Because persistent seeds drive passive restoration and vegetation trajectories, management following woody plant control entails examining soil seed bank (SSB) size and composition. However, a knowledge gap exists regarding how SSB characteristics respond along a woody plant removal gradient. This study was conducted at Roodeplaat in Gauteng Province of South Africa to assess the impact of woody density reduction [hereafter woody plant removal intensity (WPRI)] on SSB density, composition, …

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An Investigation On Food Habits Of Persian Gazelle In Cheshmeh Gol Reproduction Station Of Khorasan Province, Iran, I. Mohammdi-Abiz, Kamal Naseri, Mansour Mesdaghi, H. Yazdandad Nov 2023

An Investigation On Food Habits Of Persian Gazelle In Cheshmeh Gol Reproduction Station Of Khorasan Province, Iran, I. Mohammdi-Abiz, Kamal Naseri, Mansour Mesdaghi, H. Yazdandad

IGC Proceedings (1977-2023)

Persian gazelle (Gazella subgutturosa) is one of the most important wild species in Iran. This species prefers plain and low hill habitats which are dominated by sagebrush (Artemisia sieberi). However, due to extensive hunting and habitat destruction, the populations of gazelle were declined and this valuable species was recorded as threatened species in 2006. To rehabilitate the habitats of gazelle and improve their productivity, Cheshmeh-Gol captive reproduction station with an area of 50 hectares was established. To provide more reliable information on diet requirements of gazelle, direct observation and cafeteria feeding on captive animals were employed. …

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Crop Yield Estimation And Carrying Capacity In Sar Ali-Abad Summer Rangelands Of Golestan Province, Iran, Mansour Mesdaghi, Nafiseh Fakhar Izadi Nov 2023

Crop Yield Estimation And Carrying Capacity In Sar Ali-Abad Summer Rangelands Of Golestan Province, Iran, Mansour Mesdaghi, Nafiseh Fakhar Izadi

IGC Proceedings (1977-2023)

High mountain grassland ecosystems are the best pastures of Golestan province in Iran. These grasslands are an effective means of soil conservation and offer standing green fodder for livestock. Sar Ali-abad summer rangeland with an area of 780 ha is a representative of mountain ecosystems of Golestan province. Estimating forage production to avoid overgrazing is a necessity to ensure the long-term sustainability of these natural ecosystems. To estimate rangeland productivity and carrying capacity was the major objective while, comparing three methods of clipping and weighing (CW), double sampling (DS), and comparative yield (CY) by using 1-m2 plots was the …

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Soil C Stocks And Soil Quality In Integrated Crop-Livestock-Forestry In Brazil, B. E. Madari, M. T. M. Carvalho, P. S. Matos, J. M. Oliveira, P. L. O. A. Machado Nov 2023

Soil C Stocks And Soil Quality In Integrated Crop-Livestock-Forestry In Brazil, B. E. Madari, M. T. M. Carvalho, P. S. Matos, J. M. Oliveira, P. L. O. A. Machado

IGC Proceedings (1977-2023)

Integrated Crop-Livestock-Forestry systems (ICLF) are potential carbon sinks. Here we present soil organic carbon (SOC) stocks in an ICLF system at 3 and 11 years after implementation. The ICLF was implemented in 2008/2009 at Boa Vereda farm, in Cachoeira Dourada, Goiás state, Central-West region of Brazil, on a clay Ferralsol. SOC stocks were determined within and between rows of trees, hereby called alley, in three soil layers (0.0-0.3, 0.3-1.0 and 0.0-1.0 m) in 2012 and 2020. A non-cultivated pasture was used as reference. Results show a trend for increased soil C stocks at 0.0-1.0 m under ICLF system from 3 …

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Natural Regeneration Of Severely Degraded Terrestrial Arid Ecosystems Needs More Than Just Removing The Cause Of The Degradation, M. Louhaichi, M. Gamoun, N. Al Hashash, F. Al-Ameer, D. Alrashedi, A. Redha, F. Alkandari, A. Niane Nov 2023

Natural Regeneration Of Severely Degraded Terrestrial Arid Ecosystems Needs More Than Just Removing The Cause Of The Degradation, M. Louhaichi, M. Gamoun, N. Al Hashash, F. Al-Ameer, D. Alrashedi, A. Redha, F. Alkandari, A. Niane

IGC Proceedings (1977-2023)

Rangelands cover over 75% of Kuwait’s total land area. Most of these rangelands are severely degraded because of overgrazing, poor anthropic utilization, and mismanagement. Restoring natural rangelands is a way to increase forage productivity, enhance biodiversity, and achieve sustainable development. When degradation has not reached the point of irreversibility, natural restoration through resting is one of the best low-cost restoration techniques. This study evaluated the effect of natural restoration on vegetation cover and species richness in the desert rangelands of Kuwait. The studied rangeland was a completely fenced area of 1 km2. The percent of vegetation was measured using the …

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Biodiversity And The Ecological Role Of Grasslands Environment And Territory, Elimane Lo, Makhmutov Serguei, Badim Almazov Nov 2023

Biodiversity And The Ecological Role Of Grasslands Environment And Territory, Elimane Lo, Makhmutov Serguei, Badim Almazov

IGC Proceedings (1977-2023)

Biodiversity is all the living species that inhabit the planet: plants, animals, microorganisms, but also their genetic diversity and all the ecosystems in which they live. The preservation of biodiversity is vital, because the organisms that constitute it participate in the major ecological cycles of air, soil and water It is today recognized for its intrinsic value and for the functions it provides in ecosystems. The grassland and the hedges that surround them play a key role in carbon storage, water purification, biodiversity and the typicity of landscapes. They partly provide the plants necessary for feeding herds of herbivores (cattle, …

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Legacy Effects Of Herbivory Trampling On Soil Organic Carbon Via Soil Properties, Plant Biomass And Functional Traits, Lan Li, Fujiang Hou Nov 2023

Legacy Effects Of Herbivory Trampling On Soil Organic Carbon Via Soil Properties, Plant Biomass And Functional Traits, Lan Li, Fujiang Hou

IGC Proceedings (1977-2023)

Herbivores are important for ecosystem biogeochemistry, including soil carbon pools. Non-trophic interactions between herbivores and soil processes have recently gained attention, but remain underexplored. They include both direct and indirect effects of herbivore behaviour and physical soil disturbance by herbivores (e.g., trampling) causing compaction, and therefore probably influence historical contingency; however, little empirical data on the persistent impact or legacy effect of trampling and subsequent drivers of shifts are available. To address the knowledge gaps described above, we investigated whether the soil organic C (SOC) is driven by the legacy effect of sheep trampling intensity (0, 40, 80 and 120 …

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