Vertebrates PCA exam Questions and Answers 2024/2025 Verified Answers

Vertebrates PCA exam Questions and Answers 2024/2025 Verified Answers Which vertebrate pest girdles trees above ground? - answerroof rat, jack rabbit Which vertebrate pest girdles trees below ground? - answerMeadow vole (mainly), ground squirrel, pocket gopher Which vertebrate pest does vegetable seedling damage? - answerGround squirrel, horned lark, roof rat Which vertebrate does disbudding of deciduous fruit trees? - answerHouse finch which vertebrate does damage to ripening fruit? - answerHouse finches, skunk which vertebrate does damage to drip irrigation systems? - answerPocket gopher, ground squirrel, jackrabbit, meadow vole Differentiate between the types of damage caused by the following vertebrate pests: mole, pocket gopher, and meadow vole in turf - answerDamage: Mole hills and tunnels disfigure lawns. Vole does not harm turf as much, but will make tunnels and chew irrigation. Gophers also gnaw and damage flexible plastic water lines and irrigation systems, particularly those types used for drip irrigation. Their tunnels can divert and carry off irrigation water, which leads to soil erosion. Mounds on lawns interfere with mowing equipment and ruin the aesthetics of well-kept turfgrass Differentiate between the types of damage caused by the following vertebrate pests: carnivore and rodent damage to drip irrigation. - answer? Differentiate between the types of damage caused by the following vertebrate pests: pocket gophers and ground squirrels in field crops - answerPocket gophers often invade yards and gardens, feeding on vines, shrubs, and trees. In snow-covered regions, gophers can feed on bark (called girdling) several feet up a tree by burrowing through the snow, although most girdling damage to trunks and large roots occurs belowground.Gophers also gnaw and damage flexible plastic water lines and irrigation systems, particularly those types used for drip irrigation. Their tunnels can divert and carry off irrigation water, which leads to soil erosion While herbaceous cover crops are their preferred food, pocket gophers also feed on the bark of tree crowns and roots, particularly when cover crops or weeds dry up Ground squirrels feed on Certain vegetables and field crops such as sugar beets, alfalfa, and cotton are taken at the seedling stage. Young orchards are sometimes damaged by gnawing of the bark. Ground squirrels significantly reduce the amount of green forage available to grazing cattle during the winter period when plant growth is slow They can damage young shrubs, vines, and trees by gnawing bark, girdling trunks (completely removing a strip of bark from a tree's outer circumference), eating twigs and leaves, and burrowing around roots. Ground squirrels will gnaw on plastic sprinkler heads and irrigation boxes and lines. List the vertebrate pests that are associated with damage to levees and earthen dams. - answer[beaver, ground squirrel, muskrat, pocket gopher] Which pests are not native to cali? - answerdomestic pigeons, rats (Norway and roof, eastern fox squirrels, Starlings, house mice, turkeys, house sparrows, wild pigs. ,opossums; ground squirrel burrows? - answerground squirrels; The burrows of California ground squirrels average about 4 inches in diameter, and individual burrows are 5 to 30 feet or more in length. Most tunnels are within 2 to 3 feet of the ground surface meadow vole burrows? - answerThey dig short, shallow burrows with numerous openings about 1.5 to 2 inches across (Fig. 2). Runways (1 to 2 inches wide) of trampled vegetation or bare ground are often observed that connect various burrow openings mole burrows? - answerto distinguish which animal is responsible is by looking at the burrow mounds. Moles create volcano shaped hills, made from clods of soil. The mole hills are pushed up from deep tunnels and may be 2 to 24 inches tall. h develops complex tunnel networks. Shallow tunnels close to the surface, which the mole utilizes for food gathering, are responsible for major damage pocket gopher burrows - answerpocket gophers; In contrast, pocket gopher mounds are crescent shaped made from sifted and cloddy soil. Pocket gophers live alone in an extensive underground burrow system that can cover an area of several hundred to several thousand square feet. kangaroo rat burrows - answerThe burrows are generally shallow and of various lengths, depending on soil type and species. Burrows have one or several openings. Besides its home burrow, some kangaroo rats use a number of outlying burrows which serve as emergency