Existing evidence on the effects of photovoltaic panels on biodiversity: a systematic map with critical appraisal of study validity

Table 3 Number of observations for several characteristics of PV installations

		Number of observations	Proportion of observations
PV panel technology	Unknown	352	81.1%
	Simulated	43	9.9%
	Crystalline	29	6.7%
	Thin-film	9	2.1%
	Crystalline \| Thin-film	1	0.2%
	Thermal	0	0%
USSE facility sun-tracking system	Unknown	141	46.4%
	Sun-tracking	74	24.3%
	Fixed-tilt	63	20.7%
	Both	26	8.6%
USSE facility security fencing	Yes	173	56.9%
	Unknown	103	33.9%
	Both	15	4.9%
	No	13	4.3%
USSE facility management practices	Yes	161	53.0%
	Unknown	130	42.8%
	No	13	4.3%

For the PV technology, ‘Simulated’ includes the values: Simulated and Simulated | Unknown; ‘Crystalline’ includes: Crystalline, Monocrystalline and Monocrystalline | Polycrystalline; ‘Thin-film’ includes: Thin-film, CdTe Thin-film and CdTe Thin-film | Unknown. For sun-tracking system, ‘Sun-tracking’ includes the values: Yes and Yes | Unknown. For security fencing, ‘Yes’ includes the values: Yes and Yes | Unknown
PV Photovoltaic and solar thermal; USSE Utility-Scale Solar Energy.

ISSN: 2047-2382