Dionea SA is a company active in Switzerland and abroad in the environmental sector.

Its strengths are continuous innovation and creativity that allow it to provide quality solutions for complex and constantly evolving territorial and environmental problems..
The company was founded in 1988, by the engineers Giacomo Gianola, Pippo Gianoni and Gabriele Carraro. In addition to the three joint owners, to meet the growing needs, the team has grown over the years and currently employs a dozen staff.

In the beyond 30 years of activity, Dionea performed beyond 1000 assignments, both in the public and private sectors, establishing numerous professional and scientific relationships with Swiss and foreign institutions. The experience gained in this way has allowed it to become one of the most experienced companies in the sector in the Canton of Ticino.
From January 2011 Dionea conforms to the norm ISO 9001:2008 (certificate n. 22663) for the design fields of activity, forestry planning and management of works, rural and urban, in the development of territorial information systems, and in environmental and territorial consultancy and research.


ing. Giacomo Gianola

Environment, territory planning gianola@dionea.ch

dipl.geogr. Stefano Castelli

Environment, planning and territory, nature and landscape, Geoinformazione (GIS)

ing. Pippo Gianoni

Planning and territory, nature and landscape, forest

ing. Gabriele Carraro

Nature and landscape, forest


geol. Giacomo Ghielmi

Environment, Geoinformazione (GIS)

ing. Christian Bürer


ing. Flavia Spinelli


arch. Roberta Bello

Planning and territory, Geoinformazione (GIS)

dipl.geogr. Stefano Croci

Planning and territory

drUniTo Omar Tuccio


ing. For. Sup Adrian Oncelli


Geom. Luca Bergamin

Data management

Anette Fietz

Geoinformazione (GIS)


Jessica Kuster


Organization chart



G.Carraro & G.Gianoni

Study on the presence of different species of local oak in Ticino and their importance for forestry depending on the station and taking into account the phenomenon of hybridization. ETHZ diploma work: 198 s., 1987 Polycopie

G.Gianoni, G.Carraro, F. Klötzli

Thermophile, Forest communities rich in laurophyllous plant species in the hyperinsubric sea area of ​​Ticino.

Ber. Geobot. Inst. ETH Rübel Foundation, Zürich, 54: 164-180, 1988

G.Carraro, G. Gianola

The environmental crisis between certainties and hopes.

Diary and/or Tazebao, in Eco di Locarno, 15.08.1989

G.Carraro & J.-Phi. Schütz

Ecological importance of native oaks and silvicultural perspectives in Insubria.

Switzerland. Z.Forstwes. 141, 265-294, 1990

G.Carraro, P.Gianoni, G. Gianola, J. – D. Gallandat

Acid-loving and laurophilic insubrian forests.

in Report of the 2nd International Phytosociology excursion in Switzerland, Swiss Association of Phytosociology, pag. 115 – 127, 14-21 July 1991

ISSN 0254-9433

G.Carraro, P.Gianoni, G. Anastasi

Hydraulic correction and protection project of an industrial area on the basis of the principles of structuring the riparian ecotopes and guarantees for the new formation of the same.

Proceedings of the international congress of renaturation techniques and naturalistic engineering, AIPIN, Lignano Sabbiadoro, 1992

P. Gianoni

Tools for the management of projects in the environment: two evaluation systems to be inserted into an iterative procedure.

Sites and landscapes, Reims mountain nature park, 1992

ISSN 0338-0076

F. Rampazzi, G.Carraro, P.Gianoni, A. focus, B. Jann, N. Patocchi

The alluvial phytocoenoses of the lower and middle Valle Maggia.

STSN memory, Lugano, vol III, 1993 – ISBN 88–85118-23-2

G.Carraro, P.Gianoni, G.Gianola, Gallandat J.-D-

Alluvial areas of Valle Maggia (Someo et Riveo).

Geobotanical Institute Zurich, Reports from the Rübel Foundation n. 119, 01.08.1994

P. Gianoni

The red lists in practice: a valid analysis tool.

Boll. Natural Sciences Society (Lugano), 82 (2), 1994

G.Carraro, P.Gianoni, G.Gianola, Gallandat J.-D-

Insubrian acid-loving and laurophyllous forests.

Geobotanical Institute Zurich, Reports from the Rübel Foundation n. 119, 01.08.1994

C. Hofmann, M. Conedera, R. Delar, G.Carraro, P. Giorgetti

Effect of forest fires on vegetation south of the Swiss Alps.

Swiss National Committee IDNDR. 39 s., 1996

G.Carraro, F. Klötzli, G. Walter, P.Gianoni, R. Moved

Observed changes in vegetation in relation to climate warming.

Changes in vegetation related to the warming of the atmosphere.

Final report PNR31, vdf ETH Zurigo, 1998

ISBN 3-7281 2621 7

G. Gianoni

Pre-analysis on the territorial and environmental impacts of the Lotto 0, ring road or ring road of Teramo.

In Ecology of the environmental impact, editor V. Bettini

Preliminary screening for the VIA of the Lotto Zero of Teramo

University Institute of Architecture of Venice, 3.1998

G. Gianoni

Reflections and general aspects for an integrated planning of the Cansiglio.

In Ecology of the environmental impact. editor V. Bettini,

Proceedings of the seminar June 1998

University Institute of Architecture of Venice, 11.1998

G.Carraro, P.Gianoni, R. Moved

Climatic influence on vegetations changes: verification on regional scale of the laurofyllisation.

In Covered on recent shift in vegetation bounderies of decidius forest espacyally due to general global warming, editor F. Klötzli, G. Walterl, pag 31 – 51, Birkhäusreu Publishing House, 1999

ISBN 3-7643-6086-0

G.Carraro, F. Klötzli, G. Walter, P.Gianoni, R. Moved

Observed changes in vegetation in relation to climate warming.

In Biomonitoring: General and applied aspects on regiobnale and global scales

C.A. Burga and A Kratochwil, T:VS 35, Kluver Academic Publisher, 2001

ISBN 0-7923-6734-0


The typologies of the Ticino chestnut belt and their evolutionary tendencies.

Department of the Canton Ticino / Switzerland territory, polycopia, 2001

G. Anastasi, A. Baumer, G.Gianola, J. Giani

The regional port of Locarno.

Arches 1/2001, Casagrande editions, 01.02.2001

M. Barzi, V. Bettini, G. Gianola, P.Gianoni, O. great, R. Moved, M. Schmidt

Critical analysis of the Malpensa environmental impact study 2000.

Fase A – screening, Phase B - Elements for scoping

In Ecology of the environmental impact, Virginio Bettini, Larry Canter, Leonard Ortolano

UTET 2001

ISBN 88-7750-633-4


Classification of forests rich of walnut trees in Kyrgyzstan for use in forest management and sustainable development (Mission Gabriele Carraro 5-19.5.2002), Status and useful criteria in order to estimate the feasibility to introduce a system of forest typing as an instrument of reference for the forest management in Kyrgyzstan, Intercooperation (Bern), 2002

P.Gianoni, G. Gianola

Basic elements for environmental assessment.

In Environmental Impact Assessment, the new frontiers, curated by Virginio Bettini,

UTET 2002

ISBN 88-7750-752-7

P. Gianoni

Cumulative impacts - definition and elements of verification.

In Portoscuso. EIA gasification, curated by Virginio Bettini and Daniele Zannin

CUEN 2002

ISBN 88-7146-598-9


Sustainability of hydroelectric exploitation and evaluation criteria in water withdrawals.

in Gianonia & Jakob (Eds.) The hydroelectric landscape of Robiei, Valle Bavona Foundation, 2003

Simone Hofstetter, Willy Tinner, Verushka Valsecchi, GabrieleCarraro, Marco Conedera

Lateglacial and Holocene vegetation history in the Insubrian Southern Alps—New indications from a small-scale site.

In Vegetation History and Archaeobotany, Vol. 15, No. 2, P. 87 – 98.

Springer Berlin, 2006

ISSN 0939-6314 (Print) 1617-6278 (Online)

V. Bettini, P. Gianoni, F. Of Noto, M. Stevanin, D. Zannin

Landscape ecology and percolation theory in urban ecology: an application to the revision of a prg: the case of Pozzallo, Ragusa,

Proceedings of lincei conferences, 182: Urban ecosystems Rome, National Academy of the lincei, 2002

ISBN 88-218-0879-3

Armin Wiek in collaboration with GabrieleCarraro, Stefano Castelli, Foo Gianoni, Roberto Mossi

Formative scenario analysis on the development possibilities of the rural area Centovalli - Verbano - Locarnese

ETH Zurich, UNS Natural and Social Scienze Interface, 2002

FooGianoni, Fabio Giacomazzi

Feasibility study for a national park in the Locarnese - Locarnese and Vallemaggia Region - April 2002


FooGianoni, GabrieleCarraro, Luca Bergamin

The experience of the Scairolo Canal - Canton Ticino.

Revitalization of a delta environment, Ingenieurbiologie - May 1 2004

ISSN 1422-0008

FooGianoni, GabrieleCarraro

The Locarnese National Park: the challenge of a regional development project

Swiss forest magazine, 155, 7: 290-295, 2004

ISSN 0036-7818

FooGianoni, GabrieleCarraro

Elements for the enhancement of the cross-border natural landscape between Locarnese - Centovalli - Verbano and the Italian-Swiss border - summary of interreg II results.

Conference proceedings "the landscape in its forest and anthropic components", Piedmontese Ticino Park - 5 November 2004


Water as a heritage of humanity between resources and risks: from awareness to solidarity

From Us and Water a coexistence to be re-founded to ... Water and Us a reliving together to be founded

Proceedings of the Conference We and Water, a coexistence to be refounded, Vigo di Cadore lake (Belluno) 8-9 pag 167-170, November 2003,

Papergraf edition, Giuseppe Mazzotti Literary Prize, 2004

ISBN 88-87264-91-0

Foo Gianoni, Michael Jakob (the care of)

The days of Robiei: Landscape and energy between the past, present and future

Valle Bavona Foundation, 2005

Antonella Valentini

Limits, Borders, Interfaces - reflections with PippoGianoni,

Re-view Research for landscape design

Florence University Press, year 4, number 6, July-December 2006

monofraphic number design on Limits, dialogue section, pp 75 – 81, 2006

ISSN 174-6768

G. Gianola

The construction of the Vedeggio - Cassarate Gallery and the environment.

In Archi, pp 41 – 43, Casagrande editions, 10.2006

G. Gianola

Transport infrastructure and the environment.

In Archi, pp 64 – 68, Casagrande editions, 6.2007


The water: meeting place and starting point for new approaches to the territory on the example of Lerno and Mount Nieddu.

Civilization of the Sea, quarterly periodical of studies, research and information

ICIMAR - Institute of Sea Civilizations - year XVI - N. 3 –Pag. 130 – 135, 2006-2007


Loose thoughts along the ecotones of Renzo Franzin's “breath of water”

In River, landscape, soil defense: overcome emergencies, seize opportunities

Proceedings of the International Conference of Florence, curated by Michele Ercolini

Florence University Press, Places and Landscapes , N.3, pag. 157 – 167, 2007

ISBN 978-88-8453-550-4 (print), 978-88-8453-549-8 (online)


Journey from Robiei to Lake Maggiore, along the Maggia and its tributaries between environmental aspects, landscapes and stories of men

Arches, pag. 18 -21, Casagrande SA editions, Bellinzona, 6 – 2008

ISSN 1422-5417

Foo Gianoni and Eriberto Eulisse

Alpine Rivers and European Water Directive

province of Belluno and the International Center of Water Civilization

Part 3: A new way of thinking about rivers: restore aquatic ecosystems

pag. 75 – 95, 2009

FooGianoni e Irma Visalli

From a “Carta della Piave” to the strategic project of the Piave

in The conflict of water, the Piave case, second act

Cierre editions - province of Belluno, pag. 45 – 48, 2009

F. Bertasi, GA Pagnoni, P. Gianoni, R. Rossi

The value of naturalness and the management of interventions in the lagoons of the Po delta.

Quaderni di Cà Vendramin, Cà Vendramin Foundation, N.0, pag. 56 – 101, October 2009


The landscape: perceptions against the tide -

in From the Great Valleys to Benaco, pag. 229 -237.

Verona Reclamation Consortia, 2009

Giovanni Morin and PippoGianoni

The new valleys of Cerea.

Valligrandi and Medio Veronese Reclamation Consortium and the Municipality of Cerea. pag. 32, 2009