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Selection: with tag salix-spp [42 articles] 


Pest categorisation of Sphaerulina musiva

EFSA Journal, Vol. 16, No. 4. (April 2018), e05247,


Following a request from the European Commission, the EFSA Plant Health Panel performed a pest categorisation of Sphaerulina musiva, a well‐defined and distinguishable fungal species of the family Mycosphaerellaceae. Following a recent phylogenetic analysis of the genus Septoria and other closely related genera, a new name (S. musiva) was introduced for the species. The former species name Mycosphaerella populorum is used in the Council Directive 2000/29/EC. The pathogen is regulated in Annex IAI as a harmful organism whose introduction into the ...


Temperate and boreal rainforest relicts of Europe

In Temperate and Boreal Rainforests of the World: Ecology and Conservation (2011), pp. 154-180,
Keywords: abies-alba   acer-pseudoplatanus   aconitum-spp   alces-alces   alnus-glutinosa   alnus-incana   anemone-trifolia   aquila-chrysaetos   arthonia-leucopellaea   asplenium-scolopendrium   athyrium-filix-femina   balkan-peninsula   betula-pendula   betula-pubescens   biodiversity   bison-bonasus   boreal-forests   buteo-buteo   calluna-vulgaris   canis-lupus   capreolus-capreolus   carduus-personata   central-europe   cervus-elaphus   cervus-nippon   cicerbita-alpine   conservation   cortusa-matthioli   corylus-avellana   dryocopus-martius   dryopteris-carthusiana   dryopteris-dilatata   dryopteris-spp   endangered-species   epimedium-alpinum   euphorbia-austriaca   europe   fagus-sylvatica   felis-silvestris   forest-resources   fragmentation   fraxinus-excelsior   grazing   gymnocarpium-dryopteris   habitat-conservation   hacquetia-epipactis   hotspot   ilex-aquifolium   lagopus-muta   lamium-orvala   larix-eurolepis   lichens   lobaria-amplissima   lobaria-scrobiculata   lunaria-rediviva   lynx-lynx   lyrurus-tetrix   meles-meles   milvus-milvus   norway   omphalodes-verna   picea-abies   picea-sitchensis   pinus-contorta   pleurospermum-austriacum   populus-tremula   prunus-avium   pseudotsuga-menziesii   pyrenula-laevigata   quercus-petraea   quercus-robur   quercus-spp   rainforest   rhododendron-ponticum   rupicapra-rupicapra   salix-caprea   salix-spp   sanicula-europaea   saxifraga-rotundifolia   sorbus-aucuparia   strix-uralensis   sus-scrofa   taxus-baccata   temperate-forests   tetrao-urogallus   thalictrum-aquilegifolium   thelotrema-lepadinum   tilia-cordata   tilia-platyphyllos   ulmus-glabra   vaccinium-myrtillus  


European temperate rainforests are disjunctly distributed from ~45° to 69°N latitude, where they are influenced by maritime climates (see figure 6-1). Storms originating in the North Atlantic and the Mediterranean (Balkans) provide for mild winters, cool summers, and adequate precipitation to sustain rainforests throughout the year. Due to extensive deforestation, however, today’s European rainforests are mere fragments of primeval rainforests. A reminder of a bygone era when rainforests flourished, they are barely hanging on as contemporary rainforest relicts (see box 6-1). ...


Effects of flooding on the recruitment, damage and mortality of riparian tree species: a field and simulation study on the Rhine floodplain

Forest Ecology and Management, Vol. 255, No. 11. (15 June 2008), pp. 3893-3903,


The extensive flooding by the river Rhine on May 12 1999 provided an opportunity to investigate the impact of such an extreme event in terms of damage and mortality of adult trees in floodplains. Such data is highly valuable for determining the potential impact of climate change on the zonation of tree species along rivers. We analysed an extensive dataset of the damage and mortality suffered by groups of adult trees of the following species as a consequence of this flood: ...


(INRMM-MiD internal record) List of keywords of the INRMM meta-information database - part 35

(February 2014)
Keywords: inrmm-list-of-tags   risk-society   river-flow   river-networks   river-restoration   roads   robert-hooke   robinia-pseudoacacia   robinia-spp   robotics   robust-modelling   rockfalls   rocky-mountains   rodent   romania   root-deterioration   root-growth   root-rot   root-sucker   root-suckers   root-system   rooting-depth   roots   roptrocerus-xylophagorum   rosa-canina   rosa-pendulina   rosa-pimpinellifolia   rosa-rugosa   rosa-spp   rosaceae   rothermel   rough-set   routes   roystonea-regia   rros   rspread   rtfm   rubik   rubus-caesius   rubus-fruticosus   rubus-idaeus   rubus-spp   ruby   runoff   rupicapra-rupicapra   ruscus-aculeatus   ruscus-colchicus   ruscus-hyrcanus   rusle   russia   rwanda   saass   sabal-palmetto   saga   salicaceae   salinization   salix-alba   salix-appendiculata   salix-aurita   salix-babylonica   salix-caprea   salix-cinera   salix-cinerea   salix-daphnoides   salix-elaeagnos   salix-fragilis   salix-glabra   salix-lasiandra   salix-matsudana   salix-myrsinifolia-nigricans   salix-nigricans   salix-pentandra   salix-purpurea   salix-repens   salix-reticulata   salix-rosmarinifolia   salix-salviifolia   salix-scouleriana   salix-smithiana   salix-spp   salix-triandra   salix-viminalis   salt-tolerance   salvage-logging   salzmannii   samanea-saman   sambucus-canadensis   sambucus-nigra   sambucus-racemosa   sambucus-spp   san-francesco-del-deserto   san-lorenzo-di-castello   sand   sand-soil   sandstorms   sanicula-europaea   santalum-album   saperda-scalaris   saproxylic-beetles   sapwood  


List of indexed keywords within the transdisciplinary set of domains which relate to the Integrated Natural Resources Modelling and Management (INRMM). In particular, the list of keywords maps the semantic tags in the INRMM Meta-information Database (INRMM-MiD). [\n] The INRMM-MiD records providing this list are accessible by the special tag: inrmm-list-of-tags ( ). ...


Ecological mitigation of hillslope instability: ten key issues facing researchers and practitioners

Plant and Soil, Vol. 377, No. 1-2. (2014), pp. 1-23,


[Background] Plants alter their environment in a number of ways. With correct management, plant communities can positively impact soil degradation processes such as surface erosion and shallow landslides. However, there are major gaps in our understanding of physical and ecological processes on hillslopes, and the application of research to restoration and engineering projects. [Scope] To identify the key issues of concern to researchers and practitioners involved in designing and implementing projects to mitigate hillslope instability, we organized a discussion during the Third International Conference ...


Debris-flow mitigation measures

In Debris-flow Hazards and Related Phenomena (2005), pp. 445-487,


[Excerpt] Integrated risk management is a tool to prevent, intervent, and avoid natural hazards (Amman, 2001). This includes a combination of land use planning and technical and bioengineering measures to guarantee an optimal cost-benefit ratio. An essential aspect of risk management is the design of mitigation measures which reduce the existing risk to an accepted level of residual risk. Two types of mitigation measures can be distinguished (Zollinger, 1985): active measures and passive measures. Active measures focus on the hazard, while passive measures focus on the potential damage (Huebl ...


Anoplophora glabripennis infestation (col.: cerambycidae) in Italy

EPPO Bulletin, Vol. 39, No. 2. (August 2009), pp. 146-152,


In June 2007, the Asian longhorned beetle Anoplophora glabripennis (Motschulsky) was found at Corbetta, in Lombardy, 23 km west of Milan, Italy. The invasive exotic pest was observed in four host trees, one sycamore maple Acer pseudoplatanus L. and three silver birches Betula pendula Rothmahler. During summer 2007, 20 living and 107 dead A. glabripennis beetles were collected on or around the infested trees. The dissection of the infested material showed that 287 beetles emerged from the trees during previous years ...


Host plant selection and resource utilisation by Asian longhorn beetle Anoplophora glabripennis (Coleoptera: Cerambycidae) in southern England

Forestry, Vol. 88, No. 1. (01 January 2015), pp. 84-95,


In February 2012, an outbreak of Asian longhorn beetle, Anoplophora glabripennis (Motschulsky), was discovered at Paddock Wood in Kent, in southern England, next to a small industrial premise where a previous company had imported stone from China. Anoplophora glabripennis is a serious pest of deciduous broadleaved trees and is native to China, but it has been transported around the world in wood packaging material. Its discovery at Paddock Wood prompted an eradication programme in which all infested trees and any trees ...


Ecology and management of exotic and endemic Asian longhorned beetle Anoplophora glabripennis

Agricultural and Forest Entomology, Vol. 11, No. 4. (November 2009), pp. 359-375,


[\n] The Asian longhorned beetle is native to China and Korea, and was found for the first time outside its native habitat in the U.S.A. in 1996, with subsequent detections being made in Canada and several European countries. [\n] We review the taxonomy, distribution, basic biology, behaviour, ecology and management of endemic and exotic Anoplophora glabripennis, including information that is available in the extensive Chinese literature. [\n] This species has caused massive mortality of Populus species in China and models have demonstrated that ...


Occurrence of Phytophthora multivora and Phytophthora plurivora in the Czech Republic

Plant Protection Science, Vol. 49 (2013), pp. 155-164


Beginning in 2006, a survey of two related Phytophthora species, P. multivora and P. plurivora, was performed in the Czech Republic. Both pathogens were distributed throughout a broad range of environments including forest and riparian stands and probably became naturalised in the country. The two species differed in their frequency and elevational distribution. P. multivora was less frequent, but commonly occurred in the lowest regions such as Central Bohemia and South Moravia, i.e. areas which generally exhibit a high level of ...


Shaping the multifunctional tree: the use of Salicaceae in environmental restoration

iForest - Biogeosciences and Forestry, Vol. 6, No. 1. (21 January 2013), pp. 37-47,


Poplars and willows (and other fast growing tree species) form an important component of agroforestry systems, providing a wide range of ecosystem services and products. The workshop held in Capracotta (6th and 7th June 2012) has communicated the latest research on poplars and willows in the field of environmental restoration conducted in Italy, providing a condensed overview on their basic response to pollutants and use in environmental monitoring, highlighting future challenges of phytotechnology issues. In the frame of the project MIUR-PRIN ...


Contribution of poplars and willows to sustainable forestry and rural development

Unasylva, Vol. 56, No. 2. (2005), pp. 3-9


An estimated 70 countries grow poplars and willows in mixtures with other natural forest species, in planted forests and as individual trees in the landscape (including agroforestry systems). Country reports to the International Poplar Commission (IPC) in 2004 indicated that their area exceeds 80 million hectares globally. The Russian Federation, Canada and the United States have the largest reported areas of naturally occurring poplar and willows, while China, India and Pakistan have the largest planted areas. ...


Willows beyond wetlands: uses of Salix L. species for environmental projects

Water, Air, and Soil Pollution In Water, Air, and Soil Pollution, Vol. 162, No. 1-4. (March 2005), pp. 183-204,


Species of Salix characterized by particular physiological adaptations and ecological resilience are predisposed to use in conservation and environmental projects in many climatic zones and adverse microsite conditions. The economic importance of Salix is currently increasing and emerging in a wide array of practical applications to restore damaged ecosystems. Here we describe the ecology, physiological characteristics and agricultural requirements of Salix and present an integrated picture based on literature review, of current uses for willows well beyond wetland and riparian situations. ...


Life history of the Asian longhorn beetle Anoplophora glabripennis (Coleoptera Cerambycidae) in southern Europe

Agricultural and Forest Entomology, Vol. 17, No. 2. (1 May 2015), pp. 188-196,


[::] The Asian longhorn beetle Anoplophora glabripennis is highly polyphagous and widely spread over regions with different climates. Determining the key life-history traits is important for understanding how local conditions affect its successful establishment and to develop adaptive management strategies. [::] Field and laboratory studies were conducted from 2010 to 2012 on an A. glabripennis infestation in Northern Italy, aiming to determine its seasonal phenology, adult beetle longevity, density of successful emergence, infestation age and overwintering life history. [::] Adult beetle ...


Damaging poplar insects - Internationally important species

Keywords: aceria-parapopuli   altica-populi   anaerea-calcarata   anaerea-carcharias   anoplophora-glabripennis   anoplophora-horsfieldi   apriona-germari   batocera-lineolata   byctiscus-betulae   byctiscus-populi   capnodis-miliaris   cerura-vinula   choristoneura-conflictana   chrysomela-populi   chrysomela-scripta   chrysomela-tremulae   clostera-anachoreta   clostera-anastomosis   compsidia-populnea   cossus-cossus   cryptorhynchus-lapathi   dasineura-salicis   epinotia-solandriana   forest-pests   forest-resources   gypsonoma-aceriana   gypsonoma-haimbachiana   hyphantria-cunea   janus-abbreviatus   leucoma-salicis   melanophila-picta   mordwilkoja-vagabundus   nematus-melanaspis   nematus-oligospilus   operophtera-antiqua   operophtera-brumata   paranthrene-tabaniformis   parthenolecanium-corni   phassus-excrescens   phloeomyzus-passerinii   phratora-vitellinae   phratora-vulgatissima   phyllobius-betulae   phyllobius-oblongus   phyllocnistis-unipunctella   phyllonorycter-salicicolella   phyllonorycter-spp   phytobia-cambii   platypus-sulcatus   polydrusus-impressifrons   populus-spp   porthetria-dispar   salix-spp   sesia-apiformis   trichiocampus-viminalis   xyleborus-dispar   yponomeuta-spp   zeuzera-pyrina  


[Excerpt: Introduction] In 1956, the FAO published the book “Poplars and Willows in wood production and land use”, which brought together information on the genetics, improvement, growth and enemies, etc of these genera of major economic importance.. The introduction emphasised the role of Salicaceae in wood production, providing a renewable primary resource with a variety of uses. This publication led to outstanding collaboration between scientists and practical users from many countries, which resulted, inter alia, in the creation of the International Poplar Commission (IPC) in 1957. [\n] ...


Host preferences of the gypsy moth in eastern North American versus European forests

Revue d'Entomologie du Quebec, Vol. 31, No. 1-2. (1986), pp. 43-51


The host preferences reported for gypsy month, Lymantria dispar (L.) (Lepidoptera: Lymantriidae), are compiled and compared for temperate zone forests in Europe versus eastern North America. Species of Larix, Salix, Populus, Betula, Alnus, Ostrya, Fagus, Quercus, Castanea, Amelanchier, Crataegus, Prunus, Sorbus, Malus, and Tilia are clearly preferred by gypsy moth larvae in both Europe and North America. North American species of Carya, Sassafras, Hamamelis, Rhus, and Nyssa are acceptable but species of Maclura, Morus, Liriodendron, Platanus, Gleditsia, Robinia, Gymmocladus, Ilex, Diospyros, ...


Flooding tolerance of Central European tree and shrub species

Forest Ecology and Management, Vol. 235, No. 1-3. (November 2006), pp. 1-13,
Keywords: abies-alba   acer-campestre   acer-platanoides   acer-pseudoplatanus   aesculus-hippocastanum   alnus-glutinosa   alnus-incana   alnus-viridis   betula-pendula   carpinus-betulus   castanea-sativa   cornus-sanguinea   corylus-avellana   crataegus-monogyna   disturbances   fagus-sylvatica   floods   forest-resources   frangula-alnus   fraxinus-excelsior   ilex-aquifolium   juglans-regia   juniperus-communis   larix-decidua   malus-sylvestris   picea-abies   pinus-sylvestris   populus-alba   populus-nigra   populus-tremula   prunus-avium   prunus-domestica   prunus-mahaleb   prunus-padus   prunus-spinosa   quercus-petraea   quercus-pubescens   quercus-robur   robinia-pseudoacacia   salix-alba   salix-caprea   salix-spp   sambucus-nigra   sorbus-aria   sorbus-aucuparia   taxus-baccata   tilia-cordata   tilia-platyphyllos   tolerance   ulmus-glabra   ulmus-minor   viburnum-opulus   water-resources  


Extensive efforts have been made in recent years to restore rivers with a view to increasing the ecological value of riparian areas and the surrounding landscape and to improving the protection provided against extreme flooding events. One of the important factors for the successful establishment and survival of tree and shrub species in enlarged river corridors (particularly in lowlands) – and in retention basins – is their capacity to survive in anoxic conditions, i.e. their flooding tolerance. The importance of improving ...


Willows of Russia and Adjacent Countries: Taxonomical and Geographical Revision (English translation of 1968 Russian edition)



Through this translation, English-speaking readers will gain access to an authoritative reference on willows written by a distinguished Russian botanist whose treatment of the genus Salix has been the standard for decades. The monograph is dedicated to willows growing on the territory of the former Soviet Union and adjacent countries including all of Europe, Northern Africa, Asia Minor, West and Northeast China, Mongolia, and North Korea. The author observed many species in their natural environment, cultivated some of them, and accomplished ...


Watermark disease of tree willows

Proceedings of the Royal Society of Edinburgh. Section B. Biological Sciences, Vol. 98 (January 1992), pp. 105-117,


The watermark disease is caused by the bacterium Erwinia salicis. It affects six species of tree willow and of these the white willow (Salix alba) and certain of its varieties are particularly susceptible. Unusually for a bacterial disease, the pathogen only colonises the xylem tissues, which become discoloured as a result. Watermark causes severe losses in S. alba var. caerulea, the cricket bat willow, and in several Dutch clones of S. alba which have been widely planted in that country. Although ...


Vegetative reproduction of trees in some European natural forests

Vegetatio, Vol. 72, No. 2. (1987), pp. 103-110


Various means of vegetative reproduction in unexploited forests in western Europe are illustrated with examples. Root suckers are sometimes almost the only method of forest regeneration near the limits of tree growth on the Wadden islands and they can play an important role in forest gaps and riverine forests. Trunk suckers finally replacing their parent trees occur in Alnus, Tilia and Ulmus. Partial uprooting of trees, favoured by special soil conditions, was shown to be an important condition for vegetative reproduction. ...


Poplars and willows: trees for society and the environment



This book synthesizes the latest research on poplars and willows in an accessible format, providing a practical worldwide overview and guide to their basic characteristics, cultivation and use, and issues, problems and trends. Prominence is given to environmental benefits and the importance of poplar and willow cultivation in meeting the needs of people and communities, sustainable livelihoods, land use and development. ...


Biogenic volatile organic compounds in the Earth system

New Phytologist, Vol. 183, No. 1. (July 2009), pp. 27-51,


Biogenic volatile organic compounds produced by plants are involved in plant growth, development, reproduction and defence. They also function as communication media within plant communities, between plants and between plants and insects. Because of the high chemical reactivity of many of these compounds, coupled with their large mass emission rates from vegetation into the atmosphere, they have significant effects on the chemical composition and physical characteristics of the atmosphere. Hence, biogenic volatile organic compounds mediate the relationship between the biosphere and ...


Broadleaved tree species in conifer-dominated forestry: Regeneration and limitation of saplings in southern Sweden

Forest Ecology and Management, Vol. 214, No. 1–3. (2005), pp. 142-157,


Forests and forestry in Sweden are dominated by conifers. Silviculture using mixed or broadleaved stands is often recommended, but the degree to which broadleaves regenerate naturally needs to be clarified. The Swedish National Forest Inventory is here used for a region-wide study of broadleaved saplings (1.3 m tall to 4.9 cm dbh) regenerated naturally. For 12 species (taxa) in young forests (<7 m tall) and high forests (≥7 m), sapling densities were related to seven forest types and three productivity classes. Birch had highest densities in ...


The Woody Flora of Bulgaria: A Review

Schweizerische Zeitschrift fur Forstwesen, Vol. 152, No. 2. (2001), pp. 52-60,


This review presents a brief survey of the Bulgarian dendroflora. The country is situated in the transition zone between the continental and Mediterranean climate and, therefore, considerable habitat diversity exists on its territory. About 370 species – trees, shrubs and sub-shrubs – have been established up until today. An overview of the species’ diversity, woody formations and their distribution is presented. The data show that Bulgaria is characterised by a relatively rich dendroflora that needs appropriate close-to-nature management and measures for its ...


Flora of the USSR - Volume V

edited by V. L. Komarov


Described tree species Genera: [::]Alnus [::]Betula [::]Carpinus [::]Castanea [::]Celtis [::]Corylus [::]Fagus [::]Juglans [::]Morus [::]Ostrya [::]Populus [::]Quercus [::]Salix [::]Ulmus ...


An analysis of pest risk from an Asian longhorn beetle (Anoplophora glabripennis) to hardwood trees in the European community

Crop Protection, Vol. 21, No. 8. (September 2002), pp. 635-645,


The risk posed by the wood-boring pest, Anoplophora glabripennis, to hardwood tree species in the EC was assessed using an internationally developed pest risk assessment scheme. The assessment reviewed information concerning the current distribution, biology and economic impact of A. glabripennis in Asia and North America together with recent European interceptions. Hosts grow across much of Europe and, using the computer program CLIMEX, southern regions of Europe were highlighted as areas where climate is most suitable for the pest's establishment. There ...


Host-pathogen relationship between Salix and Melampsora sheds light on the parentage of some biomass willows

New Phytologist, Vol. 141, No. 1. (January 1999), pp. 155-160,


The association between willow (Salix) and rust (Melampsora) is highly specific. Willows named Salix burjatica, S. dasyclados (S.×dasyclados) and S.×calodendron are important in renewable-energy plantations in the UK and western Europe. There has been much controversy over their origin, species status and nomenclature. It has been suggested that they have originated from hybridization between. S. caprea, S. viminalis and S. cinerea. In the present work, 59 willow clones were investigated through morphological examination and detached leaf inoculation using willow differentials, for ...


Melampsora rust species on biomass willows in central and north-eastern Germany

Fungal Biology, Vol. 118, No. 11. (November 2014), pp. 910-923,


Melampsora willow rusts are the most important fungal pathogens in short rotation coppices of biomass willows. In the past, breeding programmes for rust resistant biomass willows concentrated on the distinction of races within the forma specialis Melampsora larici-epitea f. sp. larici-epitea typica that colonized Salix viminalis and related clones. In a new breeding program that is based on a wider range of willow species it is necessary to identify further Melampsora species and formae specialis that are pathogens of willow species ...



In Flora of North America North of Mexico, Vol. 7 (2010)


Flora of North America builds upon the cumulative wealth of information acquired since botanical studies began in the United States and Canada more than two centuries ago. Recent research has been integrated with historical studies, so that the Flora of North America is a single-source synthesis of North American floristics. FNA has the full support of scientific botanical societies and is the botanical community's vehicle for synthesizing and presenting this information. The Flora of North America Project will treat more than 20,000 ...


Identification of the most productive species from the Salix genus and its use in energetic cultures

Journal of Horticulture, Forestry and Biotechnology, Vol. 18, No. 1. (2014), pp. 209-213


At the beginning of the third millennium, the population on Earth is facing a few major problems: the energetic crisis, the problem of stoping the degradation of land and the problem of environmental pollution, the climate changes, etc. The need of development of the energy system, the increased consuption of energy, the depletion of fossil fuels, the environmental pollution, etc., motivated states across the Globe to make major investments in research and development of unconventional energy systems such as: Solar energy, ...


Willow Spiling: Review of Streambank Stabilisation Projects in the UK

Freshwater Reviews, Vol. 3, No. 1. (1 June 2010), pp. 33-47,


Abstract At least 47 km of riverbank in the UK has been protected by willow spiling during the last 20 years and willow spiling is now the most widely used willow-based method for erosion control in the UK. Long willow canes are woven around vertically driven willow poles and because structures are living, resistance to erosion increases over time. Willow spiling has, alongside its geotechnical stabilisation function, numerous ecological and economical benefits for river restoration, habitat enhancement and community engagement. In ...


The Importance of Groves for Cattle in Semi-Open Pastures

Agriculture, Vol. 3, No. 1. (13 March 2013), pp. 147-156,


Groves are of ecological importance, but can reduce the productivity of pastures. They may be used by cattle for nutrition as well as for comfort and shelter. To describe the importance and to estimate the influence of cattle on groves, the behavior of cattle around trees and shrubs was observed on six semi-open pastures in the mountain range of Thuringia and the Southern Black Forest (Germany). The groves were divided into formations, species and structures. The cattle used the groves more ...


Section 5: Salicaceae (willows & poplars)

In Ecological Flora of the Central Chilterns. Book II - Trees and Large Shrubs (August 2014)
Keywords: botany   populus-spp   salix-spp  


This groundbreaking work records every plant that has ever been recorded in a typical 100-hectare area of the mid-Chilterns that includes Great Missenden, Hampden, Hughenden, Kingshill, Prestwood and Speen, plus others that may be seen in neighbouring parts of the Chilterns. It is the closest to a complete Flora of the Chilterns currently available. While it is a scientific work, it should also be valuable as a reference to the layman who wants to learn more about the plants of the ...


A key to lowland willows, sallows and osiers

Keywords: botany   salix-spp  


This key is intended to be used on normal specimens, with mature and largely undamaged leaves, collected in lowland England in July-October. Leaf shapes, ratios and measurements should be based on examining a range from around the tree or bush, to make sure they are representative: on almost every twig, you will find the occasional leaf which is too long, short, wide or narrow to fit the key. This version of the key has been expanded to includ e a few ...


Selection of willows for floral and stem quality and continuous sequence in temperate North America

HortTechnology, Vol. 14, No. 3. (2004), pp. 415-419


The study addresses the problem of diversification and quality of willow (Salix) cut stems. Very few ornamental willow species are currently in production for the cut-stem trade in temperate North America, and they have a relatively short annual harvest period. This study selected 20 taxa of willow with the potential for cut-stem industry based on observations of more than 150 taxa in central Ohio for 4 years. Growth and ornamental qualities of branches and inflorescences of those species, hybrids, or cultivars ...


Nectar from willow catkins as a food source for Blue Tits

Bird Study, Vol. 32, No. 1. (1 March 1985), pp. 40-44,


Bird-plant interactions are not so well known as they ought to be. Nectar is a potential food source to birds, while the plants could benefit also from having the birds act as pollinators. ...



In Flora of Tasmania Online (2009)
edited by M. F. Duretto
Keywords: australia   populus-spp   salix-spp   tasmania  


The Flora of Tasmania Online is a publicly available resource for the dissemination of taxonomic information relating to the flora of the State of Tasmania. Currently the focus will be on the Angiosperms (flowering plants). The Flora contains keys, descriptions, distributional and habitat data etc for all taxa with appropriate referencing. For the first time the flora for the entire State of Tasmania (including Macquarie Is.) will be covered. The Flora will be completed in parts and individual family accounts will be ...


Potential effects of climate change on insect herbivores in European forests - General aspects and the pine processionary moth as specific example

Forest Ecology and Management, Vol. 259, No. 4. (08 February 2010), pp. 831-838,


The nature of “climate change” will differ with geographical regions and its final impact on ecosystems vary with the extent of temperature increase, changes in irradiance and levels of UVB, amount and patterns of precipitation and humidity, and alterations in the incidence and nature of abiotic disturbances. Despite many uncertainties, there is consensus in the fact that global warming already has and will have impact on the temporal and spatial dynamics of insect herbivores. Ectothermic organisms are affected by the changes ...


Agrilus anxius

EPPO Bulletin, Vol. 41, No. 3. (1 December 2011), pp. 409-413,


Name: Agrilus anxius Gory, 1841 Synonyms: none. Taxonomic position: Insecta: Coleoptera: Buprestidae. Common names: bronze birch borer (English); agrile du bouleau (French). EPPO code: AGRLAX. Phytosanitary categorization: EPPO A1 list no. 362. ...


Robinia pseudoacacia L.: A Lesser Known Tree Species for Biomass Production

BioEnergy Research In BioEnergy Research, Vol. 2, No. 3. (2009), pp. 123-133,


Experiments with fast-growing tree species for biomass production in Germany have been mainly focused on the growth performance of Populus and Salix spp. Among the lesser-known species for energy plantations is Robinia pseudoacacia L. Special features of this species are its drought tolerance and its ability to fix nitrogen. Given the large share of marginal arable land in NE-Germany and the predicted climate change, R. pseudoacacia is expected to grow in importance. In order to evaluate the growth performance of this ...


Rapid recent range-margin rise of tree and shrub species in the Swedish Scandes

Journal of Ecology, Vol. 90, No. 1. (February 2002), pp. 68-77,


1. Recent elevational range-margin performance of tree and shrub species was studied at a site in the Swedish Scandes. The methods included comparisons of historical and present-day range-margin records (m a.s.l.) in conjunction with age-determination of newly established saplings. 2. Since the early 1950s, the range-margins of Betula pubescens ssp. tortuosa (mountain birch), Picea abies (Norway spruce), Pinus sylvestris (Scots pine), Sorbus aucuparia (rowan) and Salix spp. (willows) have advanced by 120-375 m to colonize moderate snow-bed communities. The non-native Acer ...


Long-term forest fire ecology and dynamics in southern Switzerland

Journal of Ecology, Vol. 87, No. 2. (1 March 1999), pp. 273-289,


1. Pollen and charcoal analysis at two lakes in southern Switzerland revealed that fire has had a prominent role in changing the woodland composition of this area for more than 7000 years. 2. The sediment of Lago di Origlio for the period between 5100 and 3100 BC cal. was sampled continuously with a time interval of about 10 years. Peaks of charcoal particles were significantly correlated with repeated declines in pollen of Abies, Hedera, Tilia, Ulmus, Fraxinus excelsior t., Fagus and ...

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