ECOLOGY ecology biodiversity conservation zoology marine & freshwater biology ornithology evolutionary biology oceanography fisheries forestry entomology

GEOSCIENCES

geosciences, multidisciplinary geology geochemistry & geophysics geography, physical paleontology mineralogy engineering, geological engineering, petroleum remote sensing meteorology & atmospheric sciences imaging science & photographic technology

ENVIRONMENTAL SCIENCES

engineering, environmental environmental sciences water resources engineering, civil limnology agricultural engineering engineering, ocean

AGRICULTURE

horticulture agronomy agriculture, multidisciplinary plant sciences food science & technology soil science integrative & complementary medicine agriculture, dairy & animal science materials science, paper & wood

INFECTIOUS DISEASESES infectious diseases immunology microbiology allergy virology tropical medicine parasitology mycology veterinary sciences

GENERAL MEDICINE / HEALTH

health care sciences & services medical ethics public, environmental & occupational health medicine, general & internal medical informatics nursing history & philosophy of science education, scientific disciplines statistics & probability

MATERIAL SCIENCES

materials science, multidisciplinary nanoscience & nanotechnology materials science, coatings & films physics, applied materials science, ceramics metallurgy & metallurgical engineering physics, condensed matter materials science, characterization & testing mining & mineral processing instruments & instrumentation electrochemistry energy & fuels

COMPUTER SCIENCES computer science, hardware & architecture computer science, information systems computer science, artificial intelligence engineering, electrical & electronic computer science, theory & methods computer science, software engineering telecommunications computer science, cybernetics automation & control systems transportation science & technology computer science, interdisciplinary applications robotics operations research & management science mathematics, applied engineering, industrial

ENGINEERING

mechanics engineering, mechanical mathematics, interdisciplinary applications thermodynamics engineering, multidisciplinary engineering, aerospace materials science, composites engineering, marine construction & building technology engineering, manufacturing acoustics mathematics

CHEMISTRY chemistry, multidisciplinary chemistry, organic chemistry, inorganic & nuclear chemistry, physical chemistry, applied crystallography chemistry, medicinal spectroscopy engineering, chemical chemistry, analytical materials science, textiles polymer science materials science, biomaterials

PHYSICS

physics, multidisciplinary physics, mathematical physics, nuclear physics, particles & fields physics, fluids & plasmas optics physics, atomic, molecular & chemical astronomy & astrophysics nuclear science & technology

BIOMEDICAL SCIENCES cell biology biochemistry & molecular biology biophysics developmental biology multidisciplinary sciences genetics & heredity biology medicine, research & experimental microscopy anatomy & morphology endocrinology & metabolism biotechnology & applied microbiology physiology reproductive biology andrology medical laboratory technology biochemical research methods pathology oncology mathematical & computational biology toxicology pharmacology & pharmacy obstetrics & gynecology nutrition & dietetics medicine, legal urology & nephrology

CLINICAL MEDICINE

surgery critical care medicine emergency medicine transplantation respiratory system peripheral vascular disease cardiac & cardiovascular systems orthopedics engineering, biomedical hematology pediatrics sport sciences anesthesiology gastroenterology & hepatology radiology, nuclear medicine & medical imaging otorhinolaryngology rheumatology dermatology dentistry, oral surgery & medicine

NEURO-SCIENCES

neurosciences psychology behavioral sciences neuroimaging psychiatry clinical neurology substance abuse geriatrics & gerontology rehabilitation ophthalmology

Map Of Science based on I.S.I. Subject CategoriesDistribution of ISI Subject Categories over 6,164 journal included in the Science Citation Index (SCI - Thomson-Reuters) in year 2006

Aggregated journal-journal citation matrix produced from L. Leydesdorff I. Rafols data(see paper and informations available at http://www.leydesdorff.net)

Nb. of Nodes : 172Nb. of Edges : 22667

METRICDiameter: 2Average Path length: 1.2351761185910513Graph Density: 0.770671834625323 (max.=1)Average Clustering Coefficient: 0.8256993889808655

VIZUALISATIONDirected Graph / Vizualisation using Ifan Hu algorithm with GEPHI v.0.7 (available at : http://gephi.org/)

Acoustics

Agriculture, Multidisciplinary

Biochemical Research Methods

Biochemistry and Molecular BiologyBiology

Biotechnology and AppliedMicrobiology

Chemistry, Analytical

Computer Science, Artificial Intelligence

Engineering, Environmental

Engineering, Electrical and Electronic

Environmental Sciences

Public, Environmental and Occupational Health

Instruments and Instrumentation

Multidisciplinary Sciences

Pharmacology and Pharmacy

Radiology, Nuclear Medicine and Medical Imaging

Statistics and Probability

Toxicology

Water Resources

Mathematical and Computational Biology

Mathematics, Interdisciplinary Applications

Vizualisation using Betweeness Centrality Algorithm

Biochemistry and Molecular Biology

Pharmacology and PharmacyNeurosciences

Multidisciplinary Sciences

Cell Biology

Surgery

ChemsistryPhysical

Medecine, General and InternalImmunology

Chemsitry, MultidisciplinaryOncology

Material Sciences, MultidisciplinaryGenetics and Heredity

Environmental SciencesClinical Neurology

Biotechnology and Applied Microbiology

Physics, AppliedMedecine, Research and Experimentation

PhysiologyEcology

Water Resources

Statistics and ProbabilityMultidisciplinary SciencesEnvironmental Sciences

Biology

Biotechnology and Applied Microbiology

Mathematics, Interdisciplinary ApplicationsChemistry, AnalyticalEngineering, Electrical and ElectronicBiochemical research MethodsPublic, Environmental and Occupational HealthAcoustics

Pharmacology and PharmacyComputer Science, Artificial IntelligenceBiochemistry and Molecular BiologyToxicology

Mathematical and Computational BiologyEngineering, EnvironmentalRadiology, Nuclear Medecine

Instruments and InstrumentationRadiology, Nuclear Medecine and Medical Imaging

Top 20 ISI Subject Categories using :

Degree Ranking Betweeness Centrality

Acoustics

Automation and Control Systems

Agriculture, Dairy and Animal Science

Agronomy

Allergy

Anatomy and Morphology

Anesthesiology

Biodiversity Conservation

Astronomy and Astrophysics

Behavioral Sciences

Biochemical Research Methods

Biochemistry and Molecular BiologyBiology

BiophysicsBiotechnology and Applied Microbiology

Plant Sciences

OncologyCardiac and Cardiovascular Systems Cell Biology

Critical Care Medicine

Thermodynamics

Chemistry, Applied

Chemistry, Medicinal

Chemistry, MultidisciplinaryChemistry, Analytical

Chemistry, Inorganic and Nuclear

Chemistry, Organic

Chemistry, Physical

Computer Science, Artificial Intelligence

Computer Science, Hardware and Architecture

Computer Science, Information Systems

Computer Science, Interdisciplinary Applications

Computer Science, Software Engineering

Computer Science, Theory and Methods

Construction and Building Technology

Crystallography

Dentistry, Oral Surgery and Medicine

Dermatology

Geochemistry and Geophysics

Substance Abuse

Ecology

Health Care Sciences and Services

Electrochemistry

Evolutionary Biology

Developmental Biology

Endocrinology and Metabolism

Energy and Fuels

Engineering, Multidisciplinary

Engineering, Biomedical

Engineering, Environmental

Engineering, Chemical

Engineering, Industrial

Engineering, Manufacturing

Engineering, Civil

Engineering, Electrical and ElectronicEngineering, Mechanical

Engineering, Geological

Entomology

Environmental Sciences

Fisheries

Food Science and Technology

Forestry

Gastroenterology and Hepatology

Genetics and Heredity

Geography, PhysicalGeology

Geosciences, Multidisciplinary

Geriatrics and Gerontology

Hematology

Mathematical and Computational Biology

Horticulture

Public, Environmental and Occupational Health

Immunology

Infectious Diseases

Nanoscience and Nanotechnology

Instruments and Instrumentation

Limnology

Operations Research and Management Science

Marine and Freshwater Biology

Materials Science, Ceramics

Materials Science, Multidisciplinary

Mathematics, Applied

Mathematics, Interdisciplinary Applications

Mathematics

Mechanics

Medical Laboratory Technology

Medicine, General and Internal

Metallurgy and Metallurgical Engineering

Medicine, Research and Experimental

Materials Science, Biomaterials

Materials Science, Coatings and Films

Meteorology and Atmospheric Sciences

Microbiology

Mineralogy

M