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Journal articles on the topic 'Grassland-forest complexes'

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1

Adams, M. L., M. R. Davis, and K. J. Powell. "Effects of grassland afforestation on exchangeable soil and soil solution aluminium." Soil Research 39, no. 5 (2001): 1003. http://dx.doi.org/10.1071/sr00054.

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The impact of land use change from grassland to conifer forest on the aluminium (Al) concentrations in soils and soil solutions was examined. Soils from grassland were compared with those from adjoining 15–19-year old forest stands at 3 contrasting pairs of sites in South Island, New Zealand. The site pairs were on a terrace [Pinus nigra/P. ponderosa, and grassland (CP)], and a hill slope [Pseudotsuga menziesii and grassland (CF)] in the Craigieburn range, Canterbury, and a hill slope in the Lammerlaw Range, Otago [P. radiata and grassland (LP)]. The sites had never been cultivated or fertilis
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2

Zachar, Zalán, Gergely Pápay, Péter Csontos, et al. "The Effects of Different Management Methods on Restored Grasslands in Potential Temperate Forest Zones." Diversity 14, no. 7 (2022): 551. http://dx.doi.org/10.3390/d14070551.

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The European temperate forest zone has great importance, in terms of maintaining the habitats of not only forests but also anthropogenous grasslands, which were formed as a result of habitat reconstruction. These habitats have great importance, by means of nature conservation, landscape use, economy, and forest and grassland use. The mosaic-like habitat complexes that consist of these grasslands and forest patches help to increase biodiversity and supply the habitat for forest game. In this survey, changes in the vegetation of the temperate forests (Fagetum) of the Mátra Mountains of Hungary w
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3

Strickland, A. J., J. M. Arocena, P. Sanborn, and C. A. S. Smith. "Secondary mineral formation in the White River tephra in grassland and forest soils in central Yukon Territory." Canadian Journal of Soil Science 85, no. 5 (2005): 637–48. http://dx.doi.org/10.4141/s05-001.

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Selected surface horizons of grassland and forest soils formed under a cold, semi-arid climate were investigated to evaluate the formation of secondary minerals within the White River tephra, a Late Holocene rhyolitic tephra (~115014C yr BP) veneer that overlies the soil landscapes of central Yukon. Concentrations of extractable Fe (< 0.48%), Al (< 0.26%) and Si (< 0.082%) concentrations in surface tephra-contaning horizons of grassland and forest pedons are low. The high amount of exchangeable calcium in grassland soils is likely due to cycling by vegetation and perhaps, aeolian inpu
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4

Tinti, Bruno, Carlos Schaefer, Jaquelina Nunes, Alice Rodrigues, Izabela Fialho, and Andreza Neri. "Plant diversity on granite/gneiss rock outcrop at Pedra do Pato, Serra do Brigadeiro State Park, Brazil." Check List 11, no. (5) (2015): 1–8. https://doi.org/10.15560/11.5.1780.

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Campo de Altitude, one of the ecosystems associated with the Atlantic Forest, occurs mainly in high plateaus of Southeastern Brazil. The study area is in Serra do Brigadeiro State Park, Southeastern Brazil. We sampled six habitats (swamp field, <em>Vellozia</em> field, high mountain field, scrub slope, high altitude scrub, and cloud forest) that represent three physiognomies (grassland, scrub, and woodland). Overall, 180 species were recorded, belonging to 128 genera and 58 families. The richest families were Orchidaceae (20 species), Asteraceae (19), Melastomataceae (18), Rubiaceae (11), Myrt
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5

Kilianová, Helena, Vilém Pechanec, Jan Brus, Karel Kirchner, and Ivo Machar. "Analysis of the development of land use in the Morava River floodplain, with special emphasis on the landscape matrix." Moravian Geographical Reports 25, no. 1 (2017): 46–59. http://dx.doi.org/10.1515/mgr-2017-0005.

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AbstractThe results of an analysis of land use development in the Morava River floodplain (Czech Republic) using GIS from 1836 to the present, are the subject of this article. The results are based on the analysis of historical maps, using the landscape matrix assessment of the Morava River floodplain. The final analyses were processed from land use maps of the floodplain at a scale of 1 : 25,000 in five time horizons. These maps were compared with the present state of landscape by GIS methods. The study area was assessed according to five geomorphological areas from the northern/higher part t
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6

Zheng, Haibo, Liwei Zhang, Pengtao Wang, and Yingjie Li. "The NPP-Based Composite Indicator for Assessing the Variations of Water Provision Services at the National Scale." Water 11, no. 8 (2019): 1628. http://dx.doi.org/10.3390/w11081628.

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Water provision (WP) is an important service of the terrestrial ecosystem, which contributes to water availability for consumptive use and in situ water supply, sustains the production or flows of multiple ecosystem services (ES). Spatially explicit mapping of WP is critical for incorporating the ES concept into the decision-making processes of land-use and ecological conservation planning. Traditionally, regional complexes hydrological process models were simplified and used for mapping WP of the ecosystem at broad scales, but this approach is significantly limited by data accessibility and d
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7

Zhang, Cheng-Cheng, Zhong-Xiu Sun, Ying-Ying Jiang, and Si-Yi Duan. "Accelerated Iron Evolution in Quaternary Red Soils through Anthropogenic Land Use Activities." Agronomy 14, no. 8 (2024): 1669. http://dx.doi.org/10.3390/agronomy14081669.

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Iron in soil exists in various valence states and is prone to changes with alterations in soil environmental conditions. Its migration and transformation are crucial for soil formation and understanding soil evolution. This study focuses on Quaternary red soils found in woodland, sparse forest grassland, grassland, and cultivated land located in the semi-humid region of the middle temperate zone. For comparison, buried Quaternary red soil was also examined. A soil reconstruction model was used to quantitatively calculate the variation of different forms of iron in order to analyze various form
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8

Vysochyn, M. O. "Population dynamics and types of habitats at breeding sites of raptors (Falconiformes) of the Donetsk Ridge along a gradient of anthropogenic disturbance." Regulatory Mechanisms in Biosystems 10, no. 4 (2019): 464–69. http://dx.doi.org/10.15421/021968.

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Studies of diurnal birds of prey may be quite indicative of the state of natural ecosystems and of the level of impact of human-induced factors on their functions. The aim of this work was to analyse the long-term dynamics of the raptor populations within the Donetsk Ridge, to identify which habitat or habitat mosaics are preferred in nesting territories and home ranges depending on the level of anthropogenic transformation of the environment. The studies were conducted in 1999–2019. The total length of the walking routes was 2,864 km while a distance of 1,548 km was covered by car routes. 306
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9

Eugene Singayevskiy, Eugene Singayevskiy, Paul Balan, and Yeho Hrynyk. "TO THE STUDY OF THE FAUNA OF SPIDERS (ARACHNIDA, ARANEI) OF THE CHERNIHIV POLISSIA: SPIDERS OF THE BYKIVNIAN FOREST AREA OF THE CITY OF KYIV." Bulletin of Taras Shevchenko National University of Kyiv. Series: Biology 91, no. 4 (2022): 28–35. http://dx.doi.org/10.17721/1728.2748.2022.91.28-35.

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For the first time, a study of the species composition of spiders of the Bykivnyan forest area, which is located within the eastern outskirts of the city of Kyiv and the southern borders of Chernihiv Polissia, was conducted. Vegetation layers and litter of pine and birch forests and psamophilous grass habitat were examined. 123 species of spiders belonging to 21 spider families have been identified. The most widely represented in the faunal assemblages are the family Linyphiidae – 28 species (22.8 % of the total number of species detected), Gnaphosidae – 17 (13.8 %) and Lycosidae – 15 species
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10

Schrumpf, M., K. Kaiser, G. Guggenberger, T. Persson, I. Kögel-Knabner, and E. D. Schulze. "Storage and stability of organic carbon in soils as related to depth, occlusion within aggregates, and attachment to minerals." Biogeosciences 10, no. 3 (2013): 1675–91. http://dx.doi.org/10.5194/bg-10-1675-2013.

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Abstract. Conceptual models suggest that stability of organic carbon (OC) in soil depends on the source of plant litter, occlusion within aggregates, incorporation in organo-mineral complexes, and location within the soil profile. Density fractionation is a useful tool to study the relevance of OC stabilization in aggregates and in association with minerals, but it has rarely been applied to full soil profiles. We aim to determine factors shaping the depth profiles of physically unprotected and mineral associated OC and test their relevance for OC stability across a range of European soils tha
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11

Demydenko, O., and V. Velichko. "Microagrogenesis of chernozem in agrocenosis." Agricultural Science and Practice 4, no. 1 (2017): 28–45. http://dx.doi.org/10.15407/agrisp4.01.028.

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The aim of the study was to provide scientifi c and theoretical substantiation for the process of microaggrega- tion of typical chernozem via the simulation of natural processes of soil formation under the effect of systemat- ic application of soil-protecting technologies of crop cultivation with surface packing of root and after-harvest remains, humus, and mineral fertilizers in agrocenoses of the Left-Bank Forest-Steppe of Ukraine. Methods. Laboratory-analytical, experimental fi eld, statistical. Results. During tillage (for over 75 years) the number of free and friable-linked aggregates in
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12

Huygens, D., P. Boeckx, O. Van Cleemput, C. Oyarzún, and R. Godoy. "Aggregate and soil organic carbon dynamics in South Chilean Andisols." Biogeosciences 2, no. 2 (2005): 159–74. http://dx.doi.org/10.5194/bg-2-159-2005.

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Abstract. Extreme sensitivity of soil organic carbon (SOC) to climate and land use change warrants further research in different terrestrial ecosystems. The aim of this study was to investigate the link between aggregate and SOC dynamics in a chronosequence of three different land uses of a south Chilean Andisol: a second growth Nothofagus obliqua forest (SGFOR), a grassland (GRASS) and a Pinus radiata plantation (PINUS). Total carbon content of the 0-10cm soil layer was higher for GRASS (6.7 kg C m-2) than for PINUS (4.3 kg C m-2, while TC content of SGFOR (5.8 kg C m-2) was not significantly
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13

Vania, Kachova . Georgi Hinkov . Emil Popov . Lyubcho Trichkov . Rosa Mosquera-Losada. "Agroforestry in Bulgaria: history, presence status and prospects." October 6, 2016. https://doi.org/10.5281/zenodo.2629584.

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Agroforestry is a multifunctional, environmentally- friendly and modern system of land use by which we can reach economic, environmental and social benefits for the society. Bulgaria has achieved good results in the establishment of agroforestry practices, such as: protective forest belts, forest farming (agricultural use of forest areas), silvopasture (forest-grassland complexes). Moreover there are also legal basis and political understanding for promoting these types of systems. Missing, however, entire Concept and Strategy of supporting the development of agroforestry in the country. There
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14

Jambhekar, Ravi, and Kavita Isvaran. "Habitat specialisation and matrix resistance predict responses of butterfly populations to landscape features in tropical grassland–forest complexes." Oecologia, March 15, 2022. http://dx.doi.org/10.1007/s00442-022-05144-5.

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15

Cardoso, Cleiton O., Davi da S. Sales, Muryllo dos S. Nascimento, et al. "Space-time patterns and drivers of migrant bird communities in coastal Piauí State, Brazil." Revista de Biología Tropical 71, no. 1 (2023). http://dx.doi.org/10.15517/rev.biol.trop..v71i1.47300.

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Introduction: Migration is a natural phenomenon that includes annual movements of many bird species in response to seasonal cycles. With approximately one third of all living bird species, South America has an important avifauna, and many migrants land in Brazil at stopping points and wintering sites. Objective: To identify associations between migrant birds and coastal vegetation, and environmental influence of on migration. Methods: At 10 points along the coast of Piauí State, Brazil, we made visual censuses and mist net captures, between April 2009 and February 2016. Results: We identified
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16

Söllinger, Andrea, Laureen S. Ahlers, Mathilde Borg Dahl, et al. "Microorganisms in subarctic soils are depleted of ribosomes under short-, medium-, and long-term warming." ISME Journal, May 9, 2024. http://dx.doi.org/10.1093/ismejo/wrae081.

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Abstract Physiological responses of soil microorganisms to global warming are important for soil ecosystem function and the terrestrial carbon cycle. Here, we investigate the effects of weeks, years, and decades of soil warming across seasons and time on the microbial protein biosynthesis machineries (i.e. ribosomes), the most abundant cellular macromolecular complexes, using RNA:DNA and RNA:MBC (microbial biomass carbon) ratios as proxies for cellular ribosome contents. We compared warmed soils and non-warmed controls of 15 replicated subarctic grassland and forest soil temperature gradients
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17

Nagano, Hirohiko, Mariko Atarashi-Andoh, Sota Tanaka, Takumi Yomogida, Naofumi Kozai, and Jun Koarashi. "Stable C and N isotope abundances in water-extractable organic matter from air-dried soils as potential indices of microbially utilized organic matter." Frontiers in Forests and Global Change 6 (July 11, 2023). http://dx.doi.org/10.3389/ffgc.2023.1228053.

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Stable carbon (C) and nitrogen (N) isotopes (13C and 15N) in water-extractable organic matter (WEOM) derived from air-dried soils may be applicable to elucidate the microbial decomposition of soil organic matter (SOM), which is crucial in terrestrial C cycles. A total of 40 soil samples were collected from a depth of 0–6 cm from a temperate broadleaved forest in Japan with vegetation succession from grassland approximately 150 years ago. Those soil samples were air-dried before the water extraction process and organic matter analysis. The C and N concentrations of WEOM were &amp;lt;3.6% of tho
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18

Klimenko, M. O., V. O. Volodymyretsʹ, and S. V. Kovalchuk. "Floristic and phytocenotic diversity of waterlands of the Shatsk national natural park as a basis for monitoring its condition." Naukovì dopovìdì Nacìonalʹnogo unìversitetu bìoresursiv ì prirodokoristuvannâ Ukraïni, no. 3(91) (June 30, 2021). http://dx.doi.org/10.31548/dopovidi2021.03.001.

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The floral and phyto-assessment characteristics of wetlands are an important indicator for their monitoring. The territory of the Shatsky National Natural Park is a natural nucleus of the Polesia Ecology Corridor and a storing part of the All-European Environmental Network. The preservation of the unique wetland complexes of the park requires constant monitoring of the most significant indicators that reflect their condition. The purpose of the studies was to generalize and analyse the flora of the higher vascular plants and vegetation of the park, justifying their use as monitoring indicators
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