Crusts

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Biological Soil Crusts An Organizing Principle In Drylands

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Author : Bettina Weber
language : en
Publisher: Springer
Release Date : 2016-05-21

Biological Soil Crusts An Organizing Principle In Drylands written by Bettina Weber and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-05-21 with Nature categories.

This volume summarizes our current understanding of biological soil crusts (biocrusts), which are omnipresent in dryland regions. Since they cover the soil surface, they influence, or even control, all surface exchange processes. Being one of the oldest terrestrial communities, biocrusts comprise a high diversity of cyanobacteria, algae, lichens and bryophytes together with uncounted bacteria, and fungi. The authors show that biocrusts are an integral part of dryland ecosystems, stabilizing soils, influencing plant germination and growth, and playing a key role in carbon, nitrogen and water cycling. Initial attempts have been made to use biocrusts as models in ecological theory. On the other hand, biocrusts are endangered by local disruptions and global change, highlighting the need for enhanced recovery methods. This book offers a comprehensive overview of the fascinating field of biocrust research, making it indispensable not only for scientists in this area, but also for land managers, policy makers, and anyone interested in the environment.

Biological Soil Crusts Structure Function And Management

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Author : Jayne Belnap
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-12-01

Biological Soil Crusts Structure Function And Management written by Jayne Belnap and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-12-01 with Science categories.

In arid lands, where vegetation is sparse or absent, the open ground is not bare but generally covered by a community of small, highly specialized organisms. Cyanobacteria, algae, microfungi, lichens, and bryophytes aggregate soil particles to form a coherent skin - the biological soil crust. It stabilizes and protects the soil surface from erosion by wind and water, influences water runoff and infiltration, and contributes nitrogen and carbon to desert soils. Soil surface disturbance, such as heavy livestock grazing, human trampling or off-road vehicles, breaks up the fragile soil crust, thus compromising its stability, structure, and productivity. This book is the first synthesis of the biology of soil crusts and their importance as an ecosystem component. Composition and functioning of different soil-crust types are discussed, and case studies are used to show the impact of crusts on landscape hydrology, soil stability, nutrient cycles, and land management.

Biological Soil Crusts Spatio Temporal Development And Ecological Functions Of Soil Surface Microbial Communities Across Different Scales

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Author : Shubin Lan
language : en
Publisher: Frontiers Media SA
Release Date : 2024-08-09

Biological Soil Crusts Spatio Temporal Development And Ecological Functions Of Soil Surface Microbial Communities Across Different Scales written by Shubin Lan and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-08-09 with Science categories.

Biological soil crusts (biocrusts) are widely distributed throughout the world, and cover approximately 12% of the terrestrial surface. Biocrusts are composed of cyanobacteria, algae, lichens, mosses, and a great diversity of other microorganisms, which bind soil particles together to form a layer of biological-soil matrix on the soil surface typically of several millimetres thickness. They are important sites of regional and global microbial diversity and perform multiple ecological functions (multifunctionality). During the evolution of terrestrial life on earth, biocrusts are regarded as the main colonising photosynthetic organisms before the advent of vascular vegetation. They not only represent the early stages of terrestrial ecosystems, but also facilitate the ecosystem’s development and succession. Therefore, biocrusts are recognised as ecological engineers in the natural development of ecosystems and for the restoration of degraded terrestrial ecosystems. The development of biocrusts is highly heterogeneous, which is reflected on both temporal and spatial scales, and this heterogeneity is still clearly visible even in a small scale. However, up to now, only limited knowledge is acquired on biocrust temporal and spatial organisation. In particular there still is a large knowledge gap regarding the various biocrust communities under different developmental states and their related physiological metabolisms and ecological functions. Therefore, in-depth studies of these issues will undoubtedly further promote our understanding of the heterogeneous development of biocrusts, as well as their ecological multifunctionality in terrestrial ecosystems. The relevant contributions are expected to provide a scientific basis for the management of biocrusts and technology development (e.g. cyanobacteria-induced biocrust technology) for ecological restoration and the promotion of soil health.

Ecological Development And Functioning Of Biological Soil Crusts After Natural And Human Disturbances

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Author : Vincent John Martin Noah Linus Felde
language : en
Publisher: Frontiers Media SA
Release Date : 2021-09-02

Ecological Development And Functioning Of Biological Soil Crusts After Natural And Human Disturbances written by Vincent John Martin Noah Linus Felde and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-09-02 with Science categories.

Planetary Crusts

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Author : S. Ross Taylor
language : en
Publisher: Cambridge University Press
Release Date : 2009

Planetary Crusts written by S. Ross Taylor and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Science categories.

This comprehensive reference volume surveys the development of crusts on solid planets and satellites in the solar system.

The Role Of Physical And Biological Soil Crusts On The Water Balance In Semiarid Ecosystems

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Author : Sonia Chamizo de la Piedra
language : en
Publisher: Universidad Almería
Release Date : 2014-11-06

The Role Of Physical And Biological Soil Crusts On The Water Balance In Semiarid Ecosystems written by Sonia Chamizo de la Piedra and has been published by Universidad Almería this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-11-06 with categories.

In arid and semiarid areas, the interplant spaces are usually covered by physical and biological soil crusts. These crusts, though representing an almost negligible portion of the soil profile, have a number of crucial roles. Soil crusts form the boundary between soil and atmosphere and therefore control gas, water and nutrient exchange into and through soils. Concretely, in the last decade, the study of biological soil crusts (BSCs) (complex communities of cyanobacteria, algae, fungi, lichens, mosses and other microorganisms in intimate association with soil particles) has drawn the attention of a growing number of researchers due to the key role they play in numerous processes in the ecosystems where they appear. Unlike physical crusts, BSCs protect soils against erosion by water and wind, and increase soil fertility by fixing atmospheric C and N, synthesising polysaccharides and reducing nutrient losses by runoff and erosion. Through their influence on numerous properties that affect how water moves though soils such as roughness, porosity, hydrophobicity, cracking, and albedo, BSCs play a key role in water processes, such as infiltration and runoff, evaporation and soil moisture. It is widely known the role of physical crusts in decreasing soil porosity and hydraulic conductivity, thus decreasing infiltration. However, there is controversy regarding the role of BSCs in infiltration and runoff processes. Some studies indicate that BSCs increase infiltration, and consequently, decrease runoff, whereas others have reported that they decrease infiltration and increase runoff or that they have no effect on either of them. In addition, the influence of BSCs on other soil water balance components such as evaporation and soil moisture has hardly been studied and the scarce existing studies also show contradicting results. With the aim of enlightening the role that BSCs play in the water balance in semiarid areas, in this thesis it has been analysed the influence of different soil crust types, physical crusts and various developmental stages of BSCs, on key soil water balance components such as infiltration-runoff, evaporation and soil moisture, at plot scale. Furthermore, to better understand how these crusts affect hydrological processes, the influence of the type of crust and developmental stage of the crust on different properties that affect water movement and retention in soils has been analysed. Last, spectral characteristics of the different crust types, as well as of vegetation, have been examined with the aim of developing a spectral classification system for differentiation of these common ground covers in semiarid areas that allows their mapping and the modelling of the effects of the crusted areas on hydrological and erosion processes on larger spatial scales (hillslope and catchment). To conduct this research, two areas where BSCs are widespread and that represent key spatial distributions of BSCs in semiarid ecosystems were chosen in the province of Almeria (SE Spain): El Cautivo (in the Tabernas Desert), a badlands catchment with silty-loam textured soils, and Las Amoladeras (in the Cabo de Gata-Níjar Natural Park), a flat area with sandy-loam textured soils. Our results show that BSCs increase aggregate stability, water retention capacity, and organic carbon and total nitrogen content compared to physical crusts and, within BSCs, these properties increase in the crust and the underlying soil as the crust is more developed (in terms of greater biomass and later-successional species composition). The increase in soil properties with the presence of BSCs is especially noticeable in the top layer of soil (0.01 m) and decreases with depth (0.01-0.05 m) (Chapter I). Through their effect increasing surface roughness and physico-chemical soil properties, BSCs increase infiltration and decrease runoff compared to physical crusts. In general, infiltration increases with greater BSC development (Chapter II). However, there are exceptions to this general pattern that are conditioned by other factors such as the spatial scale under study or the type of rainfall. At small plot sizes (0.25 m2) and after 1h-high intensity simulated rainfall (50 mmh-1), we found that well-developed BSCs such as lichens, generate higher runoff rates than less developed BSCs as cyanobacteria, and similar runoff rates to physical crusts (Chapter II). Thus, at microplot scales and under extreme events, the effect of well-developed BSCs in enhancing infiltration due to their greater roughness can be overcome by their ability to clog soil pores when wet, thus increasing runoff. However, when the influence of BSCs on infiltration and runoff is analysed under natural rain events and at larger spatial scales (1-10 m2), we found that, in low intensity rainfalls, runoff decreases with the cover of well-developed BSCs (lichens) and this effect is higher as the plot size increases (Chapter III). Such decrease in runoff with the presence of well-developed BSCs is due to the microtopography that these crusts confer to soils. Under high intensity rainfalls, BSC cover has no significant effect on runoff yield and the main factor acting to determine runoff generation is rainfall intensity (Chapter III). The removal of the crust initially causes infiltration to increase. But this effect diminishes over time as raindrop impact reseals the surface and a new physical crust is formed that increases runoff (Chapter II). Moreover, crust disturbance by trampling but, especially by removal, causes a dramatic increase in erosion (Chapter II). Erosion also depends on the type of BSC. Well-developed crusts as lichens and mosses generate lower erosion rates than less developed crusts as cyanobacteria. Regarding the influence of BSCs on soil evaporation, under saturation conditions and warm ambient temperatures, soil water loss is quick in all types of surfaces and no significant differences are found in soils with or without BSCs (Chapter V). However, during long cold wet periods, soil water loss is faster in soils devoid of BSCs than in those covered by them. Thus, BSC-crusted soils maintain more soil moisture at the upper soil layer (0.03 m) than adjacent soils where the BSC has been removed, during wet periods. At deeper soil (0.10 m), soil moisture is similar in both BSC-crusted and uncrusted soils. The removal of the BSC causes a higher decrease in soil moisture in fine-textured soils (Cautivo), where the presence of BSCs has a stronger influence on increasing porosity and infiltration, than in coarse-textured soils (Las Amoladeras). During dry soil periods, soil moisture is similar in soils with or without BSCs (Chapter V). Last, a quantitative analysis of spectral characteristics of vegetation, physical crusts and BSC developmental stages has demonstrated the possibility of classifying these common ground covers in semiarid areas based on distinctive spectral features (Chapter VI). The application of the classification system developed to multi and hiperspectral provides the possibility for future mapping of spatial distribution and temporal dynamics of BSCs, which is crucial to incorporating the effects of crusted surfaces in current hydrological and erosion models. Summarizing, compared to physical crusts, the presence of BSCs increase physico-chemical properties of underlying soils, especially in the first centimeters of soil, and this enhancement is greater as the BSC is more developed. Due to this increase in soil properties and the higher roughness that BSCs provide to soils, BSCs increase water input by increasing infiltration and soil moisture, and soil moisture, and reduce water output by reducing soil evaporation. Hence, compared to physical crusts, the presence of BSCs and, especially the presence of well-developed BSCs, have an overall positive effect on the local water balance in semiarid ecosystems, in addition to having a major role in protecting soils from erosion.

Physical Properties And Mechanical Cutting Characteristics Of Cobalt Rich Managanese Crusts

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Author :
language : en
Publisher:
Release Date : 1987

Physical Properties And Mechanical Cutting Characteristics Of Cobalt Rich Managanese Crusts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Manganese nodules categories.

Crusts

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Author : Barbara Caracciolo
language : en
Publisher:
Release Date : 2019

Crusts written by Barbara Caracciolo and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with Baking categories.

"This incredible cookbook includes: 300+ recipes for loaves, flat breads, pizza, pies, and pastries; 100+ recipes from artisan bakers from around the world; gluten-free, Paleo, vegetarian, and vegan recipes; complete how-to sections on making your own dough, bread, and pizzas with easy-to-follow instructions; helpful tips and techniques from expert bakers and chefs; culinary histories behind your favorite loaves and pastries; an illustrated catalog of more than 100 grains from around the world and throughout time"--Page 4 of cover

Crusts

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Author : Barbara Elisi Caracciolo
language : en
Publisher: Cider Mill Press
Release Date : 2018-03-27

Crusts written by Barbara Elisi Caracciolo and has been published by Cider Mill Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-03-27 with Cooking categories.

More than 300 recipes from expert and artisan bakers, covering breads, croissants, flatbreads, pizzas, and pies—Foods that demand the perfect crunch! From loaves to pastries, pizza to pie, Crusts covers it all! Between its elegantly designed covers, you'll discover: 300+ recipes from artisan bakers around the world; gluten-free, Paleo, vegetarian, and vegan recipes; complete how-to sections on making your own dough, bread, and pizzas with easy-to-follow instructions; helpful tips and techniques from expert bakers and chefs; culinary histories behind your favorite loaves and pastries; an illustrated catalog of more than 100 grains from around the world and throughout time...and so much more! This cookbook is the ultimate resource for every level chef, and is a keystone addition to your cookbook library. Bakers and Chefs Barbara Elisi Caracciolo — owner of Spigamadre bakery in Sweden and blogger behind Bread and Companatico. Stephany Buswell — Certified Master Baker, pastry chef-instructor at the International Culinary Center. Bakeries 158 Pickett Street Café - South Portland, ME 400 Gradi - East Brunswick, VIC, Australia Amy’s Bread – New York, NY Barton Springs Mills – Dripping Springs, TX Bellegarde - New Orleans, LA Boulangerie - Kennebunkport, ME Boulted Bread - Raleigh, NC Community Grains – Oakland, CA Dante’s Pizzeria Napoletana – Takapuna, AK, New Zealand Deux Bakery - Santa Barbara, CA Flour Bakery and Café – Boston, MA Grain Craft – Chattanooga, TN Kaufman’s Bakery & Delicatessen – Skokie, IL King Arthur Flour Baking School – Norwich, VT La Svolta Pizzeria - Hampton, VIC, Australia Lindley Mills – Graham, NC Maine Grains – Skowhegan, ME Metropolitan Bakery - Philadelphia, PA Oliveto – Oakland, CA OTTO Pizza – Portland, ME Pizza Pilgrims – London, England Pizzaly – Preston, VIC, Australia Polestar Hearth Bread – Guelph, ON, Canada Scoozi – Ascot Vale, VIC, Australia Settebello Pizzeria Napoletana – New Lynn, AK, New Zealand Seven Stars Bakery - Providence, RI St-Viateur Bagel – Montreal, QC, Canada Sugar Bakeshop - Charleston, SC Sugar Pie Bakery - Charleston, WV Sugaree's - New Albany, MS Sweet Life Patisserie - Eugene, OR Sweetery - Anderson, SC Swiss Bakery - Vancouver, BC, Canada Tano’s Pizzeria – Chicago, IL Theo & Co. Pizzeria – Perth, WA, Australia Winslow’s Home – St. Louis, MO Zingerman’s - Ann Arbor, MI

Crusts The Revised Edition

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Author : Barbara Caracciolo
language : en
Publisher: Simon and Schuster
Release Date : 2023-01-24

Crusts The Revised Edition written by Barbara Caracciolo and has been published by Simon and Schuster this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-01-24 with Cooking categories.

The revised edition of Crusts is a beautiful and thorough collection of artisanal baking recipes. This comprehensive guide takes you on a tour of artisanal baking. Learn how to make perfectly baked breads, pies, pastries, pizza, and flatbreads. From sourdough and yeast loaves exploring local and regional wheat varieties to sweet and savory pies that utilize a range of flavor profiles, these recipes take a look at the contemporary and traditional influences that have informed breadmaking over the years. There are recipes for all levels, whether you’re a beginner baker or a chef looking for new inspiration. In this beautiful collection you will find: - 300+ easy-to-follow recipes reclaiming high-quality breads and doughs. - Stunning original photography and illustrations that will inspire you to make these mouthwatering recipes. - Insights and recipes from industry insiders. - A complete breakdown on how to make your own fresh dough, bread, and pizza. - A fascinating history of baking around the world. This cookbook captures the spirit of baking and provides a detailed look into the diverse approaches and influences that have shaped the art over the centuries. Learn from the experts who have honed their craft into world-class breads and baked goods. Experiment with a variety of doughs and the delicious complexity of leavened bread. Master your own ferments and hone your technique. This collection gives you the confidence to tackle those specialty breads you’ve only dreamed of trying in your own kitchen