Le orchidee dell'Italia nordorientale

Convegno

Presentazione del libro da parte dell'autore Giorgio Perazza.

Atlante corologico e guida al riconoscimento
La precisa conoscenza delle componenti floristiche e vegetazionali e della loro reale distribuzione sul territorio è condizione essenziale per poter emanare a ragion veduta eventuali provvedimenti di tutela che ne garantiscano la sopravvivenza e la conservazione. Tale conoscenza, particolarmente importante per le entità più critiche e minacciate, deve basarsi su banche dati consolidate e continuamente aggiornate da osservazioni sul campo. Essa è a tutt'oggi lacunosa e, seppur sembri strano, si sa talmente meno sulla effettiva distribuzione delle specie più comuni rispetto a quelle rare e localizzate. Ecco allora la necessità di disporre di mappe che mostrino la reale distribuzione di ogni specie e delle sue varianti.

Il presente atlante, il primo a scala sovraregionale in Italia, tenta di colmare queste lacune in riferimento alle orchidee spontanee nell'Italia nordorientale.
Si fonda su circa 125.000 dati singoli, collezionati da 900 collaboratori e raccolti in 25 archivi, in massima parte privati.
Sono considerate e mappate 89 entità tra specie e sottospecie. Sono censite anche parecchie varietà, forme e ibridi (senza carte distributive).
I dati raggruppati sono circa 24.000 e interessano complessivi 1.481 quadranti (=78,4% di 1.889 totali).

Info:
Museo Civico di Rovereto
tel. 0464 452800
www.museocivico.rovereto.tn.it

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Timing:	Jun 14 2026 17:17:04
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Timing:	Jun 14 2026 17:17:04
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Timing:	Jun 14 2026 17:17:06
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Debug: ezpI18n::translateText	Jun 14 2026 17:17:06
Missing translation for message in context: 'kernel/navigationpart' with comment: 'Navigation part'. The untranslated message is: 'Apps'
Debug: ezpI18n::translateText	Jun 14 2026 17:17:06
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Timing:	Jun 14 2026 17:17:06
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Accumulator	Duration (sec)	Duration (%)	Count	Average (sec)
Ini load
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PostgreSQL Cluster
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Postgresql Total
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MySQL Cluster
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TS translator
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TS context load	0.0067	0.2766	7	0.0010
Template Total	1.7074	70.6	3	0.5691
Template load	0.6943	28.7171	3	0.2314
String conversion in template resource	0.0007	0.0300	24	0.0000
Template parser: create text elements	0.1377	5.6961	24	0.0057
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Template load and register function	0.0134	0.5560	9	0.0015
Template processing	1.0131	41.9017	3	0.3377
states
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Override
Cache load	0.3940	16.2982	39	0.0101
Sytem overhead
Fetch class attribute can translate value	0.0061	0.2531	1	0.0061
Fetch class attribute name	0.0739	3.0565	9	0.0082
XML
Image XML parsing	0.0003	0.0108	1	0.0003
class_abstraction
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General
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Number of times templates used: 35 Number of unique templates used: 24

Time used to render debug report: 0.0009 secs

Le orchidee dell'Italia nordorientale

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