@article{fdi:010066713,
  title = {{T}he altitudinal limit of {L}eptohyphes {E}aton, 1882 and {L}achlania {H}agen, 1868 ({E}phemeroptera: {L}eptohyphidae, {O}ligoneuriidae) in {E}cuadorian {A}ndes streams: searching for mechanisms},
  author = {{C}respo-{P}erez, {V}. and {A}ndino, {P}. and {E}spinosa, {R}. and {D}angles, {O}livier and {J}acobsen, {D}.},
  editor = {},
  language = {{ENG}},
  abstract = {{W}e explored mechanisms determining the upper altitudinal limit of ephemeropterans from two different genera: {L}eptohyphes {E}aton, 1882 ({L}eptohyphidae) and {L}achlania {H}agen, 1868 ({O}ligoneuriidae). {F}or this, we (1) surveyed the two taxa in 165 stream sites along a wide altitudinal gradient; (2) sampled benthic fauna at short altitudinal intervals along a stream, from 2780 to 3150 m above sea level; (3) collected adults at the lowest and highest sites; and (4) transplanted nymphs from the lowest to the highest study site in our stream to determine survival over time. {D}ensities of the two taxa declined gradually with altitude and both disappeared between 2950 and 3080 m a.s.l. {T}he upper altitudinal limit in the stream seemed to be most closely related to mean oxygen saturation, temperature, and current velocity. {A}dults were collected where the nymphs were found, but not at the upstream site where the nymphs were absent, implying limited upstream dispersal of adults and some of the altitudinal constraint lying at the adult stage. {S}hort-term survival of transplanted nymphs was lower than that of controls, suggesting that the distribution was limited at the juvenile stage, and that at least some of the altitudinal constraint is related to the abiotic stream environment.},
  keywords = {{E}phemeroptera ; {L}eptohyphes ; {L}achlania ; abiotic stressors ; altitudinal ; limit ; dispersal ; stream insects ; transfer experiment ; {E}cuadorian {A}ndes ; {EQUATEUR} ; {ANDES}},
  booktitle = {},
  journal = {{A}quatic {I}nsects},
  volume = {37},
  numero = {1},
  pages = {69--86},
  ISSN = {0165-0424},
  year = {2016},
  DOI = {10.1080/01650424.2015.1109128},
  URL = {https://www.documentation.ird.fr/hor/fdi:010066713},
}