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569 (0,168s) •

Project

The role of seed predation in population dynamics of weeds on agricultural land (GA521/03/0171)

The role of seed predation in population dynamics of weeds on agricultural land predators on the abundance and distribution of weed seeds entering to soil seed bank. Theproject investigates two model assoc...

GF - Choroby, škůdci, plevely a ochrana rostlin

  • 2003 - 2005
    • •
  • 2 089 tis. Kč
    • •
  • 1 456 tis. Kč
    • •
  • GA ČR
Project

Ecological consequences for seed predation of microbial colonization of herbaceous seeds in soil (GA14-02773S)

germination or entering soil seed bank predators represent the main cause of seed mortality, predation of seeds liberated from soil seed bank is however largely unknown. This proposal is focused ...

EH - Ekologie – společenstva

  • 2014 - 2018
    • •
  • 4 075 tis. Kč
    • •
  • 4 075 tis. Kč
    • •
  • GA ČR
Project

Seed traits – physical and chemical defence against invertebrate seed predators (GA17-00043S)

seed traits evolved as defence mechanisms against seed predators. The seed traits important in the seed/predator interaction are hypothesized to be: (i) chemical, using Carabidae as the main mode...

EH - Ekologie – společenstva

  • 2017 - 2021
    • •
  • 5 518 tis. Kč
    • •
  • 4 633 tis. Kč
    • •
  • GA ČR
Project

Factors of seedling establishment in dandelion, Taraxacum sect. Ruderalia (GA526/09/1436)

particularcomponents and continues earlier study of invertebrate predation on dandelion seeds size), invertebrate predation of post-dispersal seed (mainly ground beetleand of plant stand, particularly size of gaps...

GF - Choroby, škůdci, plevely a ochrana rostlin

  • 2009 - 2013
    • •
  • 2 839 tis. Kč
    • •
  • 2 839 tis. Kč
    • •
  • GA ČR
Project

A cross-continental comparison of assemblages of seed and fruit feeding insects in tropical rainforests (GA13-09979S)

traits (‘seed predation syndromes’). For selected plant families and seed predation of seed/fruit predator assemblages, based on rearing protocols successfully tested quantification of the struct...

EH - Ekologie – společenstva

  • 2013 - 2017
    • •
  • 6 087 tis. Kč
    • •
  • 6 087 tis. Kč
    • •
  • GA ČR
Project

Preferences of Carabidae (Coleoptera) and weed control implications for predation on seed of alien plants (GA521/07/0978)

on agricultural land require weed seed for their survival and are their important postdispersal predators. The preferences of carabids for particular seeds differ will enable prediction of seed choice and consumpt...

EH - Ekologie – společenstva

  • 2007 - 2010
    • •
  • 2 249 tis. Kč
    • •
  • 2 249 tis. Kč
    • •
  • GA ČR
Project

Role of seed dormancy and predation during the initial phase of establishing seed banks of weed species (GA521/99/1116)

and consumption of seeds in relation to predator species, development stage and size of the initial phase of establishing seed banks selected weed species, i.e. the time from seed dispersal to first period of germ...

GF - Choroby, škůdci, plevely a ochrana rostlin

  • 1999 - 2001
    • •
  • 1 032 tis. Kč
    • •
  • 1 005 tis. Kč
    • •
  • GA ČR
Project

Calibrating post-feeding detection times of ingested weed seeds by carabid beetles (8J20AT021)

-operation in research in the field of qualitative assessment of weed seed predation, the available methods need to be calibrated for a range of realistic seed-predator interactions depending on the degree of p...

Agronomy, plant breeding and plant protection; (Agricultural biotechnology to be 4.4)

  • 2020 - 2022
    • •
  • 81 tis. Kč
    • •
  • 81 tis. Kč
    • •
  • MŠMT
Project

Communities of granivorous insects in assemblages of weeds in crops and orchards (GP522/06/P366)

Weed control is the most difficult aspect of crop production. Seed predation may remove over 90% of the dispersed seed and is a part of natural weed control. Ground beetles (Coleoptera: Carabidae) are important seed

GF - Choroby, škůdci, plevely a ochrana rostlin

  • 2006 - 2008
    • •
  • 989 tis. Kč
    • •
  • 989 tis. Kč
    • •
  • GA ČR
Project

Climate mediated interactions between songbirds and dormice consequences for their life histories (GA206/07/0483)

-term (30 years) data on hole-nesting birds (flycatchers, tits) and their predators losses from less than 3% to about 20% (up to 70% in flycatchers in mast seeding years and more frequent beech and oak mast seeding years. A...

EG - Zoologie

  • 2007 - 2009
    • •
  • 1 346 tis. Kč
    • •
  • 1 346 tis. Kč
    • •
  • GA ČR
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