. . . . . . effectif 1995 . . . . effectif 2003 densité d'individus 1995 . . . densité d'individus 2003 CV calculé à partir des densités pour la station A. Une valeur par station et par espèce. CV calculé à partir de la RS pour la station A Une valeur par station. CV calculé à partir de la DT pour la station A. Une valeur par station. moyenne des CVSP Une valeur par station. CVDE esp1…57.
1 valeur par espèce RS : richesse spécifique (nombre d'espèces présentes) DT : densité totale (effectif total/surface échantillonnée)
ANNEXE 3: Paramètres de caractéristiques biologiques et écologiques des espèces
Source : Programme EFI+
Trait Modality Abbrev. Definition EFI+
Habitat rheophilic RH
Degree of rheophily (habitat). Fish prefer to live in a habitat with high flow conditions
and clear water.
Habitat eurytopic EURY
Degree of rheophily (habitat). Fish that exhibit a wide tolerance of flow conditions,
although generally not considered to be rheophilic.
Habitat limnophilic LIMNO
Degree of rheophily (habitat). Fish prefer to live, feed and reproduce in a habitat with
CemOA
: archive
ouverte
d'Irstea
Feeding Habitat water column WC
Species that live and feed in the water column. They usually do not go to the
bottom to search for food.
Feeding Habitat benthic B
Fish prefer to live near the bottom from where they take food. They usually do not go
to the surface for feeding purpose.
Adult trophic guild detritivorous DETR
Adult diet consists of high proportion of detritus, the digestive tract is unspecialised.
Combinations with other modalities are possible, if you explain.
Adult trophic guild herbivorous HERB
Diet of adult fish consists of more than 75% plant material. Fish have terminal or subterminal mouth with bony slashing jaw for clipping and tearing aquatic vegetation. Often the digestive tract is as long or longer
than the total length of the individual. Combinations with other modalities are
possible, if you explain.
Adult trophic guild insectivorous INSV
Adult diet consists of more than 75% insects. Individuals have terminal or supraterminal
mouth, take aerial, drifting or swimming insects and invertebrates. The largest and most diverse trophic guild. Combinations with other modalities are possible, if you
explain.
Adult trophic guild omnivorous OMNI
Adult consists of more than 25% plant material and more than 25% animal material.
Generalists. Combinations with other modalities are possible, if described. Adult trophic guild parasitic PARA
Fish that exhibit a parasitic feeding mode. Combinations with other modalities are
possible, if you explain.
Adult trophic guild piscivorous PISC
Other fish represent more than 75% of adults diet. Individuals have a wide mouth aperture with needle-like teeth and a strong jaw with
marginal and palatal bones. they pursue a prey by stalking, chasing, ambushing or lying-in-wait approach. Combinations with other modalities are possible, if you explain.
Adult trophic guild planktivorous PLAN
Adult diet consists of more than 75% zooplankton and/or phytoplankton. fish
having fine gill-rakers and elongated pharyngal teeth, they have no stomach but an
elongated, undifferentiated intestine. Combinations with other modalities are
possible, if you explain.
Migration guild resident RESID Species that only move within a particular river segment.
Migration guild potamodrom POTAD Species migrate between river zones or more than 5-10 km (more than a river segment)
Migration guild long catadromous LONG-LMC
Refers to fish that have lived their early life in fresh water - feeding and growing - and at maturity migrate down rivers to spawn in the
sea. CemOA : archive ouverte d'Irstea / Cemagref
Migration guild long anadromous LONG-LMA
Refers to fish that live as older juveniles and sub-adults in the sea but at maturity migrate
up rivers to spawn.
Reproductive guild lithopelagophilic LIPE Rock and gravel spawners with pelagic free embryos.
Reproductive guild lithophilic LITH
Fish spawn exclusively on gravel, rocks, stones, rubbles or pebbles. Hatchlings are
photophobic.
Reproductive guild ostracophilic OSTRA Spawning in shells of bivalve molluscs. Reproductive guild pelagophilic PELA Fish spawn into the pelagic zone. Reproductive guild phytophilic PHYT Fish deposit eggs in clear water habitats on
submerged plants.
Reproductive guild phyto-lithophilic PHLI
Fish deposit eggs in clear water habitats on submerged plants or on other submerged items such as logs, gravel and rocks. larvae
are photophobic. Reproductive guild polyphilic POLY Non-specialised spawners. Reproductive guild psamnmophilic PSAM Fish spawn on roots or grass above sandy
bottom or on the sand itself.
Reproductive guild speleophilic SPEL Fish spawn in interstitial spaces, crevices or caves.
Reproductive guild viviparous VIVI Live bearers.
Reproductive guild ariadnophilic ARIAD Specialised nest building fish that may exhibit some form of parental care. Habitat spawning
preferences rheopar RHPAR Preference to spawn in running waters. Habitat spawning
preferences euryopar EUPAR No clear spawning habitat preferences Habitat spawning
preferences limnopar LIPAR Preference to spawn in stagnant waters. Reproductive
behaviour single SIN spawing event at only one time in the season Reproductive
behaviour fractional FR
Fractional spawners - spawning events either repeated in a season or different components of the population spawn at different times. Reproductive
behaviour protraced PRO
Protracted spawning - spawning occurs over a long period during the potential season. Parental care no protection NOP No protection of eggs or larvae (parental
care) Parental care protection PROT
Protection of eggs and/or larvae, often including some form of parental care (nest
or eggs hided in any manner) Length numeric LENG Maximum fish length [mm]. From Fishbase
or others; no exceptional cases. Longevity numeric LONG Maximum longevity of a species [years]; no
exeptional cases.
Fecundity numeric FEC Maximum number of oocytes, no exceptional cases. CemOA : archive ouverte d'Irstea / Cemagref
Relative fecundity numeric RFEC Maximum number of oocytes per 100 gramm, no exceptional cases.
Egg diameter numeric EGG Average egg diameter [mm].
Age at maturity numeric MATU Average age at maturity of female fish [years].
Incubation numeric INCU Average incubation time / period of eggs [days] for the common temperature
CemOA
: archive
ouverte
d'Irstea