Using social network analysis to evaluate the impacts of the research: on the transition to organic farming in the Camargue

Évaluer les impacts des recherches en agriculture sur la société : outils, méthodes, études de cas. Coordonnateurs : Ariane Gaunand, Ludovic Temple, Gilles Trouche

Open Access

Table 4

Measurement of network indicators.

Mesure des indicateurs de réseau.

Actor(s)	Indicator	Year

		1999	2003	2005	2010	2014
INRA (French National Institute of Agronomic Research)	Betweenness	370	335	225	615	542
	Average degrees	19	20	21	35
	Clustering coefficient	0.1	–	–	–	0.16
CIRAD (Agricultural Research Centre for International Development)	Betweenness	175	160	161	140	235
	Average degrees	14	16	17	17.5	22.5
	Clustering coefficient	0.2	–	–	–	0.32
Biosud	Betweenness	–	839	810	604	612
	Average degrees	–	19.5	27.5	30.5	31
	Clustering coefficient	–	0.075	–	–	0.172
Cooperative SudCéréales	Betweenness	554	636	501	505
	Average degrees	19	21	13
Biocamargue (private rice trader)	Betweenness	–	–	–	18	23
	Average degrees	–	–	–	10
Comptoir Agricole du Languedoc (private rice trader)	Betweenness	240	209	321	116	55
	Average degrees	17		22	17	14.5
FranceAgriMer	Betweenness	1.35		4.9	2
	Average degrees	4		6
CFR (French Centre of Rice)	Betweenness	52.5	46	43	58	56
	Average degrees	7.5			9.5
Rice Farmers Union	Betweenness	111	107	100	90	103
	Average degrees	17			18.5
Natural park of Camargue	Betweenness	87	81	43	19	21
	Average degrees	11
INRA-CIRAD	Bilateral degrees	0	1.33
INRA-CFR	Bilateral degrees	0	0	0	1	1
INRA-FranceAgriMer	Bilateral degrees	0	0	1	1	1
CIRAD-SudCéréales	Bilateral degrees	0	2	2	1	2
INRA-Farmers	Bilateral degrees	15			27
CIRAD-Farmers	Bilateral degrees	11				16
Biosud-Farmers	Bilateral degrees	15		23	24	25
All actors (entire network)	Degrees	4.87	5	5.31	6.07	6.3
	Clustering coefficient	0.54	0.74	0.87	0.84	0.78
	Density	0.1	0.11	0.12	0.15	0.16
	Distance	2.4	2.28	2.16	2.08	2.1

NB: Biosud was created in 2003 by the cooperative SudCéréales and the SARL Thomas. Biosud is considered by stakeholders as “replacing” the SARL Thomas.

NB: Biosud a été créée en 2003 par la coopérative SudCéréales et la SARL Thomas. Biosud est considérée par les parties prenantes comme “remplaçant” la SARL Thomas.

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