Academic literature on the topic 'Individual biomass'

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Journal articles on the topic "Individual biomass"

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Namoua, Dilivia J., Adnan S. Wantasen, Khristin I. F. Kondoy, Rene Ch Kepel, Febry S. I. Menajang, and Wilmy Pelle. "Carbon Absorption in Seagrasses in Tongkaina Coastal Waters, Bunaken District, Manado City, North Sulawesi." Jurnal Ilmiah PLATAX 10, no. 2 (2022): 433. http://dx.doi.org/10.35800/jip.v10i2.43485.

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This study was conducted to determine the types of seagrasses and calculate biomass and calculate how much carbon absorption in seagrasses was found in the location of Tongkaina Beach, Bunaken District, Manado City, North Sulawesi. The sampling procedure in the field is the method of cruising surveys. A cruising survey is a sample collection method that is carried out by walking through the coastal area of all seagrasses found. After the sampling at the site is completed, the sample in the inventory is then photographed. The samples that have been obtained are analyzed in the laboratory using
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Kamurahan, Nuske, Nego E. Bataragoa, and Anneke V. Lohoo. "Fish Abundance In South Poigar Rivermouth South Minahasa." JURNAL PERIKANAN DAN KELAUTAN TROPIS 11, no. 1 (2020): 1. http://dx.doi.org/10.35800/jpkt.11.1.2020.27644.

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The objective of the study is to know the fish individual abundance and biomass in the mouth of Poigar River. The study employed swept area method, sampling was done at high tide and low tide of a new moon and full moon phase using a beach seine. The seine covered 2700 m2 at low tide and 900 m2 at high tide. The fish catches in both moon phases and tidal conditions consisted of 40 species of 25 families and 481 individuals. Total fish weight was 3,804 g. The individual abundance in the new moon was 0.0004/m2 – 0.1200/m2, and the biomass in the new moon was 0.0002 g/m2 – 0.5044 g/m2. The indivi
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My Huong, Nguyen Thi, Ngo Dac Chung, and Le Huy Ba. "Population density of the peanut worm Siphonosoma australe australe (Keferstein, 1865) (Sipunculus: Phascolosomatidae) in the mangrove forest of Gianh river, Quang Binh province." TAP CHI SINH HOC 40, no. 2 (2018): 138–44. http://dx.doi.org/10.15625/2615-9023/v40n2.8511.

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The peanut worm, Siphonosoma australe australe (Keferstein, 1865), is a non-segmented worm, with a coelom, most live in areas of shallow water, tidal areas or the sea. Currently, the number of individuals in Peanut worm populations are declining considerably due to over-exploitation and habitat degradation. However, information on individual density and biomass of Peanut worm populations in Vietnam is still lacking, as is information on environmental factors affecting them. This study was carried out at various sites in the lower reaches of mangrove forest of the Gianh river, Quang Binh provin
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Mognon, Francelo, Aurélio Lourenço Rodrigues, Carlos Roberto Sanquetta, Ana Paula Dalla Corte, Adalberto Brito De Novaes, and Christopher Thomas Blum. "ALOCAÇÃO E MODELAGEM DA BIOMASSA EM Dendrocalamus asper." FLORESTA 45, no. 1 (2014): 1. http://dx.doi.org/10.5380/rf.v45i1.35094.

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O objetivo deste trabalho foi quantificar a biomassa seca total individual de plantas de bambu da espécie Dendrocalamus asper (Schult. & Schult. f.) Backer ex K. Heyne, visando conhecer a sua distribuição nos diferentes compartimentos, bem como avaliar modelos de biomassa em função de variáveis biométricas das plantas. Foram avaliados 20 indivíduos, coletados em Bauru, SP. As plantas amostradas foram medidas, abatidas e pesadas. A maior fração da biomassa foi observada na parte aérea, com 86%, sendo 64% para o compartimento colmo, 16% para os galhos e 6% para as folhas. Os rizomas represen
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Barbosa, Miguel, Amy E. Deacon, Maria Joao Janeiro, Indar Ramnarine, Michael Blair Morrissey, and Anne E. Magurran. "Individual variation in reproductive behaviour is linked to temporal heterogeneity in predation risk." Proceedings of the Royal Society B: Biological Sciences 285, no. 1870 (2018): 20171499. http://dx.doi.org/10.1098/rspb.2017.1499.

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Variation in predation risk is a major driver of ecological and evolutionary change, and, in turn, of geographical variation in behaviour. While predation risk is rarely constant in natural populations, the extent to which variation in predation risk shapes individual behaviour in wild populations remains unclear. Here, we investigated individual differences in reproductive behaviour in 16 Trinidadian guppy populations and related it to the observed variation in predator biomass each population experienced. Our results show that high heterogeneity in predator biomass is linked to individual be
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Nicoletti, Marcos Felipe, Ezequiel Silva, and Mireli Moura Pitz Floriani. "METODOLOGIA NÃO DESTRUTIVA PARA QUANTIFICAÇÃO DO VOLUME E BIOMASSA DO FUSTE EM REMANESCENTE FLORESTAL." Nativa 3, no. 4 (2015): 287–91. http://dx.doi.org/10.31413/nativa.v3i4.3062.

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Nesse trabalho objetivou-se propor uma metodologia não destrutiva para quantificação de volume individual, biomassa e carbono do tronco em um remanescente florestal. O estudo foi feito em cinco parcelas de 600 m². As variáveis dendrométricas mensuradas foram diâmetro à altura do peito (DAP), altura total (h), diâmetro ao longo do fuste conforme o método de Smalian. Para cada árvore mensurou-se os diâmetros de forma indireta com o dendrômetro Criterion RD 1000 e comparou-se com a mensuração de forma direta com a suta. Determinou-se o volume, biomassa e carbono por parcela. O erro relativo médio
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Kacprzyk, Magdalena, Ewa Błońska, and Tadeusz Wojas. "Deadwood, Soil and Carabid Beetle-Based Interaction Networks—An Initial Case Study from Montane Coniferous Forests in Poland." Forests 12, no. 4 (2021): 382. http://dx.doi.org/10.3390/f12040382.

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In four study plots located in silver fir and Scots pine stands in Magura National Park (southeastern Poland), the relationships between the occurrence and biomass of epigeic carabids, the volume of deadwood and soil biochemical properties were investigated. Thirteen carabid beetle species from the genera Abax, Carabus, Molops and Pterostichus were captured. Rare epigeic carabid species in the fauna of Poland and Europe, such as Carabus glabratus (Paykull), Carabus sylvestris (Panzer) and Abax schueppeli (Germar), were recorded. The number of carabid individuals and species captured as well as
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Zeng, WeiSheng, LianJin Zhang, XinYun Chen, ZhiChu Cheng, KeXi Ma, and ZhiHua Li. "Construction of compatible and additive individual-tree biomass models for Pinus tabulaeformis in China." Canadian Journal of Forest Research 47, no. 4 (2017): 467–75. http://dx.doi.org/10.1139/cjfr-2016-0342.

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Current biomass models for Chinese pine (Pinus tabulaeformis Carr.) fail to accurately estimate biomass in large geographic regions because they were usually based on limited sample trees on local sites, incompatible with stem volume, and not additive among components and total biomass. This study was based on mensuration data of individual-tree biomass from large samples of Chinese pine. The purpose was to construct compatible and additive biomass models using the nonlinear error-in-variable simultaneous equations and dummy variable modeling approach. This approach could ensure compatibility
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Movellan, A., R. Schiebel, M. V. Zubkov, A. Smyth, and H. Howa. "Quantification of protein biomass of individual foraminifers using nano-spectrophotometry." Biogeosciences Discussions 9, no. 6 (2012): 6651–81. http://dx.doi.org/10.5194/bgd-9-6651-2012.

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Abstract. The ecological role of foraminifers has been largely unknown partly owing to difficulties in determining their individual biomass, although foraminifers are abundant in surface marine sediments. The present study provides a reliable and inexpensive method for the quantification of the protein content of hard-shelled foraminifers as a measure of biomass while preserving the tests for later analyses (e.g., morphometry, stable isotopes) using nano-spectrophotometry. The protein biomass, size, and shell weight of Ammonia tepida are significantly correlated (n = 102, p < 0.001, R2 = 0.
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Movellan, A., R. Schiebel, M. V. Zubkov, A. Smyth, and H. Howa. "Protein biomass quantification of unbroken individual foraminifers using nano-spectrophotometry." Biogeosciences 9, no. 9 (2012): 3613–23. http://dx.doi.org/10.5194/bg-9-3613-2012.

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Abstract. The ecological role of foraminifers has been largely unknown partly owing to difficulties in determining their individual biomass, although foraminifers are abundant in surface marine sediments. The present study provides a reliable and inexpensive method for the quantification of the protein content of hard-shelled foraminifers as a measure of biomass while preserving the tests for later analyses (e.g. morphometry, stable isotopes), using nano-spectrophotometry. The protein biomass, is significantly correlated with size, and shell weight of Ammonia tepida (n = 102, p < 0.00001, R
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Dissertations / Theses on the topic "Individual biomass"

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Wan, Mohd Jaafar Wan Shafrina Binti. "Individual tree detection and modelling above-ground biomass and forest parameters using discrete return airborne LiDAR data." Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/31143.

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Individual tree detection and modelling forest parameters using Airborne Laser Scanner data (Light Detection and Ranging (LiDAR) is becoming increasingly important for the monitoring and sustainable management of forests. Remote sensing has been a useful tool for individual tree analysis in the past decade, although inadequate spatial resolution from satellites means that only airborne systems have sufficient spatial resolution to conduct individual tree analysis. Moreover, recent advances in airborne LiDAR now provide high horizontal resolution as well as information in the vertical dimension
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Fischer, Fabian. "Inférence de la structure et dynamique des forêts tropicales humides avec un modèle individu-centré." Thesis, Toulouse 3, 2019. http://www.theses.fr/2019TOU30229.

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Le changement climatique constitue un défi qui dépasse les échelles temporelles et spatiales de la plupart des problèmes. Il nécessite donc des approches qui reflètent la complexité du système terrestre. Cela est particulièrement vrai pour la biosphère et les écosystèmes forestiers, l'une des principales sources d'incertitude dans les projections climatiques. Les efforts concertés de collecte de données, tels que les inventaires forestiers, les bases de données des traits et les nouvelles technologies, telles que la télédétection, ont considérablement accru notre capacité à observer et à analy
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White, Allison Lynn. "Spatial and temporal heterogeneity in life history and productivity trends of Atlantic Weakfish (Cynoscion regalis) and implications to fisheries management." Thesis, Virginia Tech, 2017. http://hdl.handle.net/10919/78707.

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The biological characteristics of fisheries stocks that are assessed for management considerations are rarely homogeneous over time or space. However, stock assessment scientists largely ignore this heterogeneity in their models. This thesis addresses the effects of spatial and temporal heterogeneity on stock assessment models using Atlantic Weakfish (Cynoscion regalis) as a case study. First, spatial and temporal variation was incorporated into length-, weight-, and maturity-at-age estimates using mixed-effects models (Chapter Two). The resulting heterogeneous weight and maturity parameters t
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Muniz, Marta Regina Almeida. "Biomassa, apectos nutricionais e anatomicos de individuos jovens de especies arboreas de Cerradão e Floresta Estacional Semidecidual." [s.n.], 2010. http://repositorio.unicamp.br/jspui/handle/REPOSIP/315666.

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Orientadores: Ricardo Ribeiro Rodrigues, Beatriz Appezzato-da-Gloria<br>Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Biologia<br>Made available in DSpace on 2018-08-15T21:40:37Z (GMT). No. of bitstreams: 1 Muniz_MartaReginaAlmeida_D.pdf: 4518938 bytes, checksum: 396e1e3e5133f391b653239abaabfc34 (MD5) Previous issue date: 2010<br>Resumo: O presente abordou aspectos da relação solo-planta, verificando o reflexo das condições físico-químicas e da disponibilidade hídrica do solo de áreas de Cerradão (Ce) e de Floresta Estacional Semidecidual (FES), sobre a anatomia do xilem
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VENUTA, MARIA LUISA. "La città da energivora a nodo attivo delle reti di produzione e di scambio energetico." Doctoral thesis, Università Cattolica del Sacro Cuore, 2007. http://hdl.handle.net/10280/85.

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Il concetto di rete dell'informazione può diventare uno schema logico con cui descrivere l'evoluzione delle politiche sulle energie rinnovabili e sulla sostenibilità? La ricerca è stata svolta analizzando l'architettura delle due reti (internet e reti energetiche) e l'evoluzione del bene prodotto e distribuito nella rete energetica, l'energia, esplicitando l'accessibilità da parte della distribuzione mondiale delle risorse petrolifere tradizionali e delle risorse rinnovabili. La struttura metodologica del progetto di ricerca si basa due tipi di analisi teorica: 1) l'analisi della nascita delle
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VENUTA, MARIA LUISA. "La città da energivora a nodo attivo delle reti di produzione e di scambio energetico." Doctoral thesis, Università Cattolica del Sacro Cuore, 2007. http://hdl.handle.net/10280/85.

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Il concetto di rete dell'informazione può diventare uno schema logico con cui descrivere l'evoluzione delle politiche sulle energie rinnovabili e sulla sostenibilità? La ricerca è stata svolta analizzando l'architettura delle due reti (internet e reti energetiche) e l'evoluzione del bene prodotto e distribuito nella rete energetica, l'energia, esplicitando l'accessibilità da parte della distribuzione mondiale delle risorse petrolifere tradizionali e delle risorse rinnovabili. La struttura metodologica del progetto di ricerca si basa due tipi di analisi teorica: 1) l'analisi della nascita delle
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Lin, Szu-yin, and 林思吟. "Estimating Individual Tree Foliar Biomass of Planted Taiwan Spruce in Central Taiwan." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/00383015236428785398.

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碩士<br>國立臺灣大學<br>森林學研究所<br>93<br>As part of a research on net primary productivity of Taiwan spruce (Picea morrisonicola Hayata) in Tatachia Long-Term Ecological Research, the objective of this thesis was to estimate foliar biomass of individual planted Taiwan spruce with different approaches. In addition, estimations from different approaches were also compared in order to establish a proper and efficient method for future references. The basic sampling design of this study was a stratified two-stage probability proportional to size (PPS) sampling. Based on tree crown length, the crown
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Knapp, Nikolai. "Remote Sensing of Forests: Analyzing Biomass Stocks, Changes and Variability with Empirical Data and Simulations." Doctoral thesis, 2019. https://repositorium.ub.uni-osnabrueck.de/handle/urn:nbn:de:gbv:700-201910022050.

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Forests are an important component in the earth system. They cover nearly one third of the land surface, store about as much carbon as the entire atmosphere and host more than half of the planet’s biodiversity. Forests provide ecosystem services such as climate regulation and water cycling and they supply resources. However, forests are increasingly at risk worldwide, due to anthropogenic deforestation, degradation and climate change. Concepts for counteracting this development require abilities to monitor forests and predict possible future developments. Given the vast size of forest cover al
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Shi, Andong. "The effect of residue mixing, clay content and drying and rewetting on soil respiration and microbial biomass." Thesis, 2015. http://hdl.handle.net/2440/93521.

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Organic matter decomposition in terrestrial system is of vital importance for nutrient cycling and ecosystem function. Soil microorganisms are the key drivers of decomposition which regulates the availability of inorganic nutrients through immobilisation and mineralisation. The size of the soil organic C pool is twice that of C in the atmosphere and more than twice of that in vegetation. Thus, organic matter decomposition in soil greatly influences the C flux between soil and the atmosphere. Therefore understanding factors influencing organic matter decomposition is important for climate chang
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Books on the topic "Individual biomass"

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Jak stres wodny wpływa na wzrost, rozwój i ekspresję genów mącznika młynarka. University of Warmia and Mazury in Olsztyn, 2025. https://doi.org/10.31648/uwm65dac6cc6d2c47b7acf6c72dc391fead.

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The study aimed to assess the effect of different water rates on the development and survival of mealworm larvae (Tenebrio molitor L.) while searching for genes whose expression may indicate disruptions in development caused by water deficiency. The experiment was conducted using three rates of water. Growth dynamics, survival, total biomass, and changes in the expression of genes associated with stress response were measured. The results indicate that insects given a full water rate (H20-100) achieved the highest final individual weight and total insect biomass, confirming water's key role in
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Jaeckle, William, ed. Physiology of Larval Feeding. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198786962.003.0009.

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The functional properties of marine invertebrate larvae represent the sum of the physiological activities of the individual, the interdependence among cells making up the whole, and the correct positioning of cells within the larval body. This chapter examines physiological aspects of nutrient acquisition, digestion, assimilation, and distribution within invertebrate larvae from an organismic and comparative perspective. Growth and development of larvae obviously require the acquisition of “food.” Yet the mechanisms where particulate or dissolved organic materials are converted into biomass an
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Rumi Macchi Zubiaurre, Alejandra, and Alberto Rodrigues Capítulo, eds. Ecología de poblaciones. Editorial de la Universidad Nacional de La Plata (EDULP), 2024. https://doi.org/10.35537/10915/177146.

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Desde la experiencia y actualización permanente docente de los autores, el libro aborda los ejes temáticos fundamentales para la ecología de poblaciones teórica y aplicada: leyes y conceptos centrales; muestreo, distribución y abundancia; dinámica del cambio en longitud-biomasa de los individuos y numérico; ajustes al ambiente (evolución del nicho); interacciones competitivas y depredación —incluye intragremio— y parasitoidismo; modelos como herramientas y conservación de la biodiversidad.
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Clarke, Andrew. Temperature and diversity. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780199551668.003.0015.

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The diversity (species richness) of plants and animals is typically highest in the tropics and the strongest environmental correlate of species richness is often climate. The energy for plant production is sunlight, but the rate is governed jointly by temperature and the availability of water (as captured by actual evapotranspiration, AET). Greater production is then linked to higher diversity because larger population size protects against stochastic extinction (the more individuals mechanism). A greater biomass and diversity of plants allows for a greater diversity of herbivores and so on th
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Callicott, J. Baird. How Ecological Collectives are Morally Considerable. Edited by Stephen M. Gardiner and Allen Thompson. Oxford University Press, 2015. http://dx.doi.org/10.1093/oxfordhb/9780199941339.013.11.

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Populations, species, biotic communities, ecosystems, landscapes, biomes, and the biosphere are the referents of “ecological collectives.” The essence-accident moral ontology prevailing in twentieth-century moral philosophy cannot, while the theory of moral sentiments originating with Hume, biologized by Darwin, and ecologized by Leopold can, endow ecological collectives with moral considerability. The Hume-Darwin-Leopold approach to environmental ethics has been validated by twenty-first-century evolutionary moral psychology, while the twenty-first-century analysis of the human microbiome has
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Bradstock, Ross A., A. Malcolm Gill, and Richard J. Williams, eds. Flammable Australia. CSIRO Publishing, 2012. http://dx.doi.org/10.1071/9780643104839.

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In Flammable Australia: Fire Regimes, Biodiversity and Ecosystems in a Changing World, leading researchers in fire ecology and management discuss how fire regimes have shaped and will continue to shape the distribution and abundance of Australia’s highly diverse plants and animals. Central to this is the exploration of the concept of the fire regime – the cumulative pattern of fires and their individual characteristics (fire type, frequency, intensity, season) and how variation in regime components affects landscapes and their constituent biota. &#x0D; Contributions by 44 authors explore a wid
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Book chapters on the topic "Individual biomass"

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Kooijman, S. A. L. M. "Biomass Conversion at Population Level." In Individual-Based Models and Approaches in Ecology. Springer US, 1992. http://dx.doi.org/10.1007/978-1-4757-0869-1_16.

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Cheng, Xiping, Liqin Dong, and Sihai Wang. "Effects of leaf area and biomass on different seasons for individual eucalyptus trees." In Advances in Materials Science, Energy Technology and Environmental Engineering. CRC Press/Balkema, 2016. http://dx.doi.org/10.1201/9781315227047-41.

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Wetz, Michael S., Laura Beecraft, Molly McBride, Jamie L. Steichen, and Antonietta Quigg. "Nutrient-Phytoplankton Dynamics in Texas Estuaries." In Estuaries of the World. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-70882-4_7.

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AbstractPhytoplankton form the base of the food web and are often the main primary producer in estuaries. Freshwater inflow variability will modulate phytoplankton biomass and production in estuaries through effects on nutrient delivery and cycling in estuaries, as well as on light availability and flushing rates. The goal of this chapter is to build upon the conceptual framework of inflow-nutrient-phytoplankton dynamics proposed by Longley (1994) by highlighting advances that have been made since then. Specific objectives are to: quantify coast-wide relationships between inflow, nutrients, an
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Kagawa, Akira, and Giovanna Battipaglia. "Post-photosynthetic Carbon, Oxygen and Hydrogen Isotope Signal Transfer to Tree Rings—How Timing of Cell Formations and Turnover of Stored Carbohydrates Affect Intra-annual Isotope Variations." In Stable Isotopes in Tree Rings. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-92698-4_15.

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AbstractIn this chapter, we discuss post-photosynthetic processes that affect intra-annual variation in the stable isotopes of tree rings, such as timing of cell formations and turnover of stored carbohydrates, by combining research findings gained by using either natural-abundance or artificially-enriched carbon, oxygenand hydrogen isotopes. We focus on within-ring variation in stable isotope ratios, with an emphasis on aligning observed ratios in whole wood or extracted cellulose to seasonal dynamics in climate and phenology. We also present a discussion of isotopic fractionation that operat
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Kagawa, Akira, and Giovanna Battipaglia. "Post-photosynthetic Carbon, Oxygen and Hydrogen Isotope Signal Transfer to Tree Rings—How Timing of Cell Formations and Turnover of Stored Carbohydrates Affect Intra-annual Isotope Variations." In Stable Isotopes in Tree Rings. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-92698-4_15.

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AbstractIn this chapter, we discuss post-photosynthetic processes that affect intra-annual variation in the stable isotopes of tree rings, such as timing of cell formations and turnover of stored carbohydrates, by combining research findings gained by using either natural-abundance or artificially-enriched carbon, oxygenand hydrogen isotopes. We focus on within-ring variation in stable isotope ratios, with an emphasis on aligning observed ratios in whole wood or extracted cellulose to seasonal dynamics in climate and phenology. We also present a discussion of isotopic fractionation that operat
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Lange, Nora, David Moosmann, Stefan Majer, et al. "Assessment of Greenhouse Gas Emission Reduction from Biogas Supply Chains in Germany in Context of a Newly Implemented Sustainability Certification." In Sustainable Production, Life Cycle Engineering and Management. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-29294-1_6.

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AbstractLife cycle assessments (LCA) approaches, analysing potential impacts associated with the production and use of biomass for energy and material purposes, have become increasingly important in recent years. An internal project at the Deutsches Biomasseforschungszentrum- DBFZ is investigating, which priority areas have been addressed at the institute with LCA. The preliminary results of the study show mostly practice-linked applications with a focus on the assessment of fuels, their production and technical feasibility. In this publication, we present one of the studies analysed, in which
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Schiffert, Thomas. "Calculation Approach to Fulfill Emission and Energy Efficiency Limits of Individually Built Tiled Stoves (Kachelofen)." In Biomass in Small-Scale Energy Applications: Theory and Practice. CRC Press, 2019. http://dx.doi.org/10.1201/9780429286063-6.

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Wang, Xudong, Steffen Kiel, and Dong Feng. "New Biogeochemical Proxies in Seep Bivalves." In South China Sea Seeps. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-1494-4_7.

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AbstractReduced compounds dissolved in seeping fluids, such as methane and hydrogen sulfide, are the main energy sources in submarine cold seep systems, where they nourish the unique chemosynthesis-based ecosystems. Chemosymbiotic bivalves are the dominant macrofauna in many of these ecosystems and have been extensively studied due to their large biomass (hundreds of individuals per square meter), their symbiotic relationships with chemotrophic bacteria (methanotrophic bivalves: methane-oxidizing bacteria; thiotrophic bivalves: sulfur-oxidizing bacteria), and because they are unique archives o
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Lapin, Katharina, Heino Konrad, Christoph Leeb, and Janine Oettel. "Species on the Move: Migration, Range Shifts, and Dispersal of Species." In Ecological Connectivity of Forest Ecosystems. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-82206-3_2.

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Abstract Migration is a fundamental biological phenomenon with significant impacts on the survival of populations and ecosystems. Its precise definition depends on the ecological discipline in focus, but it essentially entails the movement of an individual or population between habitats to ensure survival and enhance the likelihood of successful reproduction. Evolution has led to different types and mechanisms of migration ranging from passive to active movements, and from a few meter to migrations across biomes. Climate change has a strong effect on migration behaviour, leading to shifts in t
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Thavhana, Mulalo P., Thomas Hickler, Marcel Urban, Kai Heckel, and Matthew Forrest. "Dynamics and Drivers of Net Primary Production (NPP) in Southern Africa Based on Estimates from Earth Observation and Process-Based Dynamic Vegetation Modelling." In Sustainability of Southern African Ecosystems under Global Change. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-10948-5_26.

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AbstractTerrestrial net primary production (NPP) is a fundamental Earth system variable that also underpins resource supply for all animals and fungi on Earth. We analysed recent past NPP dynamics and its drivers across southern Africa. Results from the Dynamic Global Vegetation Model (DGVM) LPJ-GUESS correspond well with estimates from the Moderate Resolution Imaging Spectroradiometer (MODIS) satellite sensor as they show similar spatial patterns, temporal trends, and inter-annual variability (IAV). This lends confidence to using LPJ-GUESS for future climate impact research in the region. Tem
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Conference papers on the topic "Individual biomass"

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Ferreira, Matheus, Gabriela Martins, Thaís Almeida, et al. "Above Ground Biomass Estimation of Individual Urban Trees With Hyperspectral and Lidar Data." In IGARSS 2024 - 2024 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2024. http://dx.doi.org/10.1109/igarss53475.2024.10641530.

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Long, Feiyu, Yinghui Zhao, and Zhen Zhen. "Improving the Accuracy of Aboveground Biomass Estimation of Natural Secondary Forests Using Individual Tree Features." In IGARSS 2024 - 2024 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2024. http://dx.doi.org/10.1109/igarss53475.2024.10642637.

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Hamza, Ahmed, Priyanka Buduru, Pegah Pezeshkpour, and Bastian E. Rapp. "A silver nanowires-based flexible capacitive touch screen in tactile displays for individuals with visual impairment using gesture recognition (Conference Presentation)." In Microfluidics, BioMEMS, and Medical Microsystems XXIII, edited by Bastian E. Rapp and Colin Dalton. SPIE, 2025. https://doi.org/10.1117/12.3043105.

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Flemming, H. C. "New Aspects in Membrane Biofouling." In CORROSION 2000. NACE International, 2000. https://doi.org/10.5006/c2000-00307.

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Abstract Biofouling can be a limiting factor in the application of membranes in water treatment. Biofouling can be considered as excessive biofilm growth. This process starts with the adhesion of microorganisms wich happens immediately after contact of the raw water with the membrane. It can be assumed that virtually all membrane systems working with nonsterile water carry biofilms which influence the overall separation properties. Only if an individually given threshold of interference is met, "biofouling" occurs. A new anti-fouling strategy can be addressed as "biofilm management", limiting
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Moreira, Laís Natália da Silva, Geovana Ferreira Soares, Virna Alves de Carvalho Braga, Vitor Leite Glória, and Gabriel de Carvalho Mendes. "PERFIL EPIDEMIOLÓGICO DAS URGÊNCIAS E EMERGÊNCIAS CAUSADAS POR ANIMAIS PEÇONHENTOS NO PARÁ ENTRE OS ANOS DE 2020 A 2023." In Anais do I Congresso Brasileiro de Urgência e Emergência. Even3, 2025. https://doi.org/10.29327/1484146.1-7.

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Segundo o Ministério da Saúde, o Brasil é o país mais afetado por acidentes causados por animais peçonhentos, fenômenos que estão diretamente relacionados ao clima tropical e à diversidade do bioma. Tais acidentes têm maior prevalência em regiões tropicais, como as encontradas no Brasil, especialmente na região do Pará, que faz parte da Amazônia Legal e abriga uma grande variedade de animais peçonhentos. Devido aos altos índices de notificação, a Organização Mundial de Saúde incluiu os acidentes por animais peçonhentos na lista das doenças tropicais negligenciadas, que acometem em maior propor
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Straume, Indulis, Imants Plume, Vilis Dubrovskis, Viktors Dreimanis, and Eriks Zukovskis. "Biogas potential from co-fermentation of food leftovers and lignocellulosic biomass at mesophilic temperatures." In 22nd International Scientific Conference Engineering for Rural Development. Latvia University of Life Sciences and Technologies, Faculty of Engineering, 2023. http://dx.doi.org/10.22616/erdev.2023.22.tf081.

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Every year, large amounts of food leftovers are thrown away in catering establishments and households. Industry and agriculture produce lignocellulosic residues, including paper dust and willow biomass, which cause environmental problems if not properly disposed of. The aim of this study is to investigate the biogas and biomethane yields of these biomasses during anaerobic co-fermentation under mesophilic conditions. Biogas yields were determined by co-fermentation of food (hospital canteen, cafeteria, and household) residues and lignocellulosic (paper dust and shredded willow) biomass in a nu
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Popovas, Darius, Valentas Mikalauskas, Dominykas Šlikas, Simonas Valotka, and Tautvydas Šorys. "Individual Tree Parameters Estimation from Terrestrial Laser Scanner Data." In Environmental Engineering. VGTU Technika, 2017. http://dx.doi.org/10.3846/enviro.2017.230.

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Tree models and information on the various characteristics of trees and forests are required for forest management, city models, carbon accounting and the management of assets. In order to get precise characteristics and information, tree modelling must be done at individual tree level as it represents the interaction process between trees. For sustainable forest management, more information is needed, however, the traditional methods of investigating forest parameters such as, tree height, diameter at breast height, crown diameter, stem curve and stem mapping or tree location are complex and
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Stone, Kyle A., Devarshi Shah, Q. Peter He, and Jin Wang. "A new application of data-driven soft sensor: Estimating individual biomass in mixed cultures." In 2017 American Control Conference (ACC). IEEE, 2017. http://dx.doi.org/10.23919/acc.2017.7963012.

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Solano-Correa, Yady Tatiana, Yineth Viviana Camacho-De Angulo, Fernando Oviedo-Barrero, Michele Dalponte, and Edgar Leonairo Pencue-Fierro. "Individual Tree Crown Delineation and Biomass Estimation from LiDAR Data in Gorgona Island, Colombia." In IGARSS 2023 - 2023 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2023. http://dx.doi.org/10.1109/igarss52108.2023.10282442.

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Allouis, Tristan, Sylvie Durrieua, Cedric Vega, and Pierre Couteron. "Exploiting fullwaveform lidar signals to estimate timber volume and above-ground biomass of individual trees." In IGARSS 2011 - 2011 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2011. http://dx.doi.org/10.1109/igarss.2011.6049426.

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Reports on the topic "Individual biomass"

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Lindfors, Axel, and Roozbeh Feiz. The current Nordic biogas and biofertilizer potential: An inventory of established feedstock and current technology. Linköping University Electronic Press, 2023. http://dx.doi.org/10.3384/9789180752558.

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Biogas solutions in the Nordics is undergoing rapid developments and the demand for biogas is ever increasing because of the Russian war on Ukraine and the transition to fossil free industry and transportation. Furthermore, with the introduction of several multi-national companies into the biogas sector in the Nordics and with more and more biomethane being traded across national borders, it becomes increasingly important to view biogas solutions in the Nordics as a whole and to go beyond the confines of each individual nation. Since the transition and the current energy crisis require a quick
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Naddafi, Rahmat, Göran Sundblad, Alfred Sandström, et al. Developing management goals and associated assessment methods for Sweden’s nationally managed fish stocks : a project synthesis. Department of Aquatic Resources, Swedish University of Agricultural Sciences, 2023. http://dx.doi.org/10.54612/a.31cfjep2i0.

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This report summarizes and synthesizes results from the Swedish Agency of Marine and Water Management (SwAM, or HaV) funded project “Förvaltningsmål för nationella arter (Management goals for nationally managed species)”. The objectives of the project have been to promote the development of management goals and associated status assessment methods and indicators, as well as reference points, for some nationally managed fish stocks both in coastal as well as freshwater areas. The report focusses largely on species and stocks that can be defined as data-poor. Such stocks are characterised by mar
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Boyle, M., and Elizabeth Rico. Terrestrial vegetation monitoring at Fort Matanzas National Monument: 2019 data summary. National Park Service, 2022. http://dx.doi.org/10.36967/nrds-2293409.

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The Southeast Coast Network (SECN) conducts long-term terrestrial vegetation monitoring as part of the nationwide Inventory and Monitoring Program of the National Park Service (NPS). The vegetation community vital sign is one of the primary-tier resources identified by SECN park managers, and it is currently conducted at 15 network parks (DeVivo et al. 2008). Monitoring plants and their associated communities over time allows for targeted understanding of ecosystems within the SECN geography, which provides managers information about the degree of change within their parks’ natural vegetation.
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Gage, Edward, Linda Zeigenfuss, Hanem Abouelezz, Allison Konkowski, David Cooper, and Therese Johnson. Vegetation response to Rocky Mountain National Park’s elk and vegetation management plan: Analysis of 2008–2018 data. National Park Service, 2023. http://dx.doi.org/10.36967/2299264.

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Rocky Mountain National Park (RMNP) developed the Elk and Vegetation Management Plan (EVMP) to address well-documented declines in the ecological condition of aspen stands and riparian communities from high levels of elk herbivory. The EVMP aims to reduce the impacts of elk on vegetation and restore the natural range of variability in the elk population and affected plant communities, including preventing the loss of aspen clones within high elk-use areas, restoring montane riparian willow cover and height within suitable habitat, and reducing of levels of elk grazing on herbaceous vegetation.
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Börjesson, Patrik, Maria Eggertsen, Lachlan Fetterplace, et al. Long-term effects of no-take zones in Swedish waters. Edited by Ulf Bergström, Charlotte Berkström, and Mattias Sköld. Department of Aquatic Resources, Swedish University of Agricultural Sciences, 2023. http://dx.doi.org/10.54612/a.10da2mgf51.

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Marine protected areas (MPAs) are increasingly established worldwide to protect and restore degraded ecosystems. However, the level of protection varies among MPAs and has been found to affect the outcome of the closure. In no-take zones (NTZs), no fishing or extraction of marine organisms is allowed. The EU Commission recently committed to protect 30% of European waters by 2030 through the updated Biodiversity Strategy. Importantly, one third of these 30% should be of strict protection. Exactly what is meant by strict protection is not entirely clear, but fishing would likely have to be fully
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